data-cleaning-practice-and-matrix.ipynb

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      "/kaggle/input/data-cleaning-practice/data_cleaning_practice.xlsx\n"
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    "# This Python 3 environment comes with many helpful analytics libraries installed\n",
    "# It is defined by the kaggle/python Docker image: /~https://github.com/kaggle/docker-python\n",
    "# For example, here's several helpful packages to load\n",
    "\n",
    "import numpy as np # linear algebra\n",
    "import pandas as pd # data processing, CSV file I/O (e.g. pd.read_csv)\n",
    "\n",
    "# Input data files are available in the read-only \"../input/\" directory\n",
    "# For example, running this (by clicking run or pressing Shift+Enter) will list all files under the input directory\n",
    "\n",
    "import os\n",
    "for dirname, _, filenames in os.walk('/kaggle/input'):\n",
    "    for filename in filenames:\n",
    "        print(os.path.join(dirname, filename))\n",
    "\n",
    "# You can write up to 20GB to the current directory (/kaggle/working/) that gets preserved as output when you create a version using \"Save & Run All\" \n",
    "# You can also write temporary files to /kaggle/temp/, but they won't be saved outside of the current session"
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   "source": [
    "import numpy as np\n",
    "import pandas as pd\n",
    "import matplotlib.pyplot as plt\n",
    "import seaborn as sns\n",
    "from sklearn.model_selection import train_test_split"
   ]
  },
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   },
   "source": [
    "# Loading the Excel Data"
   ]
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       "      <th>Salary</th>\n",
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       "   ID          Name   Age   Gender Salary  Join Date   Department  \\\n",
       "0   1     Chris Lee   NaN  Unknown  72000 2020-01-15  InvalidDept   \n",
       "1   2    Anna Davis  25.0  Unknown  72000        NaT           HR   \n",
       "2   3  Mary Johnson  23.0  Unknown  72000        NaT  InvalidDept   \n",
       "3   4    Anna Davis   NaN   Female  80000 2023-03-22           IT   \n",
       "4   5    Anna Davis  40.0   Female  80000 2020-01-15           IT   \n",
       "\n",
       "  Feedback Score  \n",
       "0            NaN  \n",
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    "\n",
    "\n",
    "# Load the dataset from Excel file\n",
    "file_path = '/kaggle/input/data-cleaning-practice/data_cleaning_practice.xlsx'  \n",
    "data = pd.read_excel(file_path)\n",
    "\n",
    "\n",
    "data.head()\n"
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      "      ID           Name   Age   Gender         Salary  Join Date   Department  \\\n",
      "0      1      Chris Lee   NaN  Unknown          72000 2020-01-15  InvalidDept   \n",
      "1      2     Anna Davis  25.0  Unknown          72000        NaT           HR   \n",
      "2      3   Mary Johnson  23.0  Unknown          72000        NaT  InvalidDept   \n",
      "3      4     Anna Davis   NaN   Female          80000 2023-03-22           IT   \n",
      "4      5     Anna Davis  40.0   Female          80000 2020-01-15           IT   \n",
      "5      6     Jane Smith   NaN        M          55000 2020-01-15      Finance   \n",
      "6      7   Mary Johnson  23.0     Male          45000 2021-06-01  InvalidDept   \n",
      "7      8   Mary Johnson  19.0  Unknown          72000 2020-01-15           HR   \n",
      "8      9   Mary Johnson  19.0      NaN          55000        NaT           HR   \n",
      "9     10     Anna Davis   NaN     Male          45000 2020-01-15        Sales   \n",
      "10    11      Chris Lee  30.0      NaN  Not Disclosed 2021-06-01           HR   \n",
      "11    12   Mary Johnson   NaN     Male            NaN 2023-03-22      Finance   \n",
      "12    13  Invalid#Name!  25.0        M          80000 2021-06-01      Finance   \n",
      "13    14     Anna Davis  25.0  Unknown  Not Disclosed 2021-06-01           HR   \n",
      "14    15     Jane Smith  19.0  Unknown          45000 2023-03-22           HR   \n",
      "15    16      Chris Lee  30.0        F  Not Disclosed 2021-06-01        Sales   \n",
      "16    17  Invalid#Name!  23.0      NaN            NaN 2021-06-01           HR   \n",
      "17    18  Invalid#Name!  25.0     Male          45000 2020-01-15        Sales   \n",
      "18    19     Jane Smith  19.0     Male  Not Disclosed 2020-01-15        Sales   \n",
      "19    20      Chris Lee  40.0   Female          80000 2023-03-22           HR   \n",
      "20    21     Anna Davis  19.0        F          80000 2020-01-15           IT   \n",
      "21    22       John Doe  25.0   Female          55000 2020-01-15           IT   \n",
      "22    23      Chris Lee  25.0   Female  Not Disclosed 2021-06-01        Sales   \n",
      "23    24     Jane Smith  19.0   Female          72000        NaT           HR   \n",
      "24    25  Invalid#Name!  23.0      NaN  Not Disclosed 2020-01-15           IT   \n",
      "25    26     Anna Davis   NaN      NaN          45000        NaT           HR   \n",
      "26    27      Chris Lee  25.0        M          45000 2020-01-15           HR   \n",
      "27    28       John Doe  19.0        M  Not Disclosed 2020-01-15           HR   \n",
      "28    29       John Doe  19.0   Female            NaN 2023-03-22  InvalidDept   \n",
      "29    30   Mary Johnson  30.0        F          80000 2023-03-22           HR   \n",
      "30    31   Mary Johnson   NaN     Male          45000 2023-03-22  InvalidDept   \n",
      "31    32     Jane Smith  40.0      NaN          80000        NaT        Sales   \n",
      "32    33      Chris Lee  23.0        F          45000 2021-06-01           IT   \n",
      "33    34      Chris Lee  40.0  Unknown          55000 2020-01-15           IT   \n",
      "34    35  Invalid#Name!   NaN      NaN          72000 2020-01-15           IT   \n",
      "35    36  Invalid#Name!   NaN      NaN          45000 2020-01-15           IT   \n",
      "36    37  Invalid#Name!   NaN        M          80000        NaT           IT   \n",
      "37    38   Mary Johnson  40.0     Male          55000 2023-03-22           IT   \n",
      "38    39      Chris Lee   NaN     Male          45000 2021-06-01           IT   \n",
      "39    40      Chris Lee  19.0  Unknown            NaN        NaT        Sales   \n",
      "40    41       John Doe  40.0  Unknown          72000 2023-03-22           HR   \n",
      "41    42   Mary Johnson   NaN      NaN          45000        NaT      Finance   \n",
      "42    43     Anna Davis  19.0   Female          55000 2021-06-01  InvalidDept   \n",
      "43    44   Mary Johnson  30.0        M            NaN 2023-03-22      Finance   \n",
      "44    45     Anna Davis   NaN        M  Not Disclosed        NaT      Finance   \n",
      "45    46       John Doe  40.0      NaN          55000 2021-06-01           HR   \n",
      "46    47     Jane Smith  25.0        F          55000 2020-01-15           HR   \n",
      "47    48      Chris Lee   NaN   Female            NaN 2021-06-01           HR   \n",
      "48    49       John Doe  25.0      NaN          55000 2020-01-15           IT   \n",
      "49    50      Chris Lee  19.0   Female            NaN        NaT        Sales   \n",
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      "59    60      Chris Lee  19.0     Male  Not Disclosed        NaT      Finance   \n",
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      "61    62     Anna Davis   NaN      NaN          45000 2021-06-01        Sales   \n",
      "62    63   Mary Johnson  40.0   Female          45000 2021-06-01           IT   \n",
      "63    64  Invalid#Name!  23.0        M          80000        NaT      Finance   \n",
      "64    65       John Doe  25.0     Male            NaN 2021-06-01           IT   \n",
      "65    66      Chris Lee  25.0  Unknown  Not Disclosed 2020-01-15        Sales   \n",
      "66    67     Jane Smith  23.0  Unknown          55000 2021-06-01        Sales   \n",
      "67    68      Chris Lee  25.0        F          72000 2020-01-15  InvalidDept   \n",
      "68    69     Jane Smith  19.0   Female          55000 2020-01-15           HR   \n",
      "69    70  Invalid#Name!  19.0     Male          80000 2021-06-01  InvalidDept   \n",
      "70    71  Invalid#Name!  23.0   Female          45000        NaT      Finance   \n",
      "71    72  Invalid#Name!  40.0     Male          45000 2023-03-22           IT   \n",
      "72    73     Jane Smith  40.0        F          72000 2021-06-01      Finance   \n",
      "73    74      Chris Lee  23.0        F          45000 2020-01-15        Sales   \n",
      "74    75  Invalid#Name!  40.0  Unknown          45000 2020-01-15  InvalidDept   \n",
      "75    76     Anna Davis  40.0   Female          72000 2021-06-01  InvalidDept   \n",
      "76    77     Jane Smith  19.0      NaN  Not Disclosed        NaT  InvalidDept   \n",
      "77    78     Jane Smith  40.0  Unknown  Not Disclosed        NaT      Finance   \n",
      "78    79      Chris Lee  30.0   Female          72000 2020-01-15        Sales   \n",
      "79    80     Jane Smith   NaN  Unknown          80000 2020-01-15           IT   \n",
      "80    81     Jane Smith  25.0      NaN          45000        NaT           IT   \n",
      "81    82  Invalid#Name!  30.0        M          45000 2023-03-22      Finance   \n",
      "82    83      Chris Lee  40.0        M          80000 2021-06-01  InvalidDept   \n",
      "83    84  Invalid#Name!  19.0        M  Not Disclosed 2020-01-15           HR   \n",
      "84    85  Invalid#Name!  23.0        M            NaN 2020-01-15      Finance   \n",
      "85    86      Chris Lee  40.0     Male            NaN        NaT      Finance   \n",
      "86    87       John Doe  19.0        M            NaN 2021-06-01        Sales   \n",
      "87    88  Invalid#Name!   NaN      NaN  Not Disclosed        NaT           IT   \n",
      "88    89     Anna Davis  40.0        F  Not Disclosed 2021-06-01      Finance   \n",
      "89    90     Anna Davis  23.0        F          80000 2021-06-01      Finance   \n",
      "90    91     Jane Smith  19.0     Male          45000 2021-06-01  InvalidDept   \n",
      "91    92     Anna Davis  19.0        M          80000 2020-01-15  InvalidDept   \n",
      "92    93     Jane Smith  19.0        M          80000 2023-03-22           HR   \n",
      "93    94       John Doe   NaN        M  Not Disclosed        NaT        Sales   \n",
      "94    95      Chris Lee  40.0  Unknown            NaN 2023-03-22           HR   \n",
      "95    96      Chris Lee   NaN   Female          55000        NaT  InvalidDept   \n",
      "96    97      Chris Lee  25.0  Unknown          45000 2021-06-01           IT   \n",
      "97    98     Anna Davis  25.0   Female  Not Disclosed 2020-01-15  InvalidDept   \n",
      "98    99       John Doe  40.0        M            NaN 2023-03-22        Sales   \n",
      "99   100     Anna Davis   NaN        M          55000 2020-01-15  InvalidDept   \n",
      "100  101     Anna Davis  23.0  Unknown          55000        NaT        Sales   \n",
      "101  102       John Doe  19.0  Unknown  Not Disclosed 2020-01-15        Sales   \n",
      "102  103       John Doe  19.0   Female          72000 2020-01-15        Sales   \n",
      "103  104       John Doe  40.0        F          45000 2023-03-22        Sales   \n",
      "104  105       John Doe  25.0   Female          55000 2021-06-01        Sales   \n",
      "105  106      Chris Lee  25.0  Unknown  Not Disclosed 2020-01-15           IT   \n",
      "106  107   Mary Johnson  19.0      NaN  Not Disclosed 2021-06-01           HR   \n",
      "107  108   Mary Johnson  40.0  Unknown            NaN        NaT      Finance   \n",
      "108  109       John Doe   NaN      NaN          72000 2020-01-15           HR   \n",
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      "116  117       John Doe  40.0     Male          55000 2020-01-15        Sales   \n",
      "117  118      Chris Lee  40.0      NaN          72000 2021-06-01           IT   \n",
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      "119  120      Chris Lee  25.0  Unknown          72000 2021-06-01      Finance   \n",
      "120  121     Jane Smith  23.0        M          55000 2020-01-15           IT   \n",
      "121  122       John Doe   NaN     Male          80000        NaT  InvalidDept   \n",
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      "123  124     Anna Davis   NaN     Male          45000 2020-01-15      Finance   \n",
      "124  125   Mary Johnson   NaN     Male            NaN 2020-01-15  InvalidDept   \n",
      "125  126      Chris Lee  25.0      NaN            NaN        NaT           IT   \n",
      "126  127  Invalid#Name!  30.0      NaN          80000        NaT  InvalidDept   \n",
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      "128  129   Mary Johnson  23.0  Unknown          45000 2023-03-22      Finance   \n",
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      "137  138  Invalid#Name!  23.0      NaN  Not Disclosed 2021-06-01           HR   \n",
      "138  139   Mary Johnson  25.0      NaN            NaN 2021-06-01        Sales   \n",
      "139  140       John Doe  30.0   Female          72000 2020-01-15  InvalidDept   \n",
      "140  141     Jane Smith   NaN        F          72000 2023-03-22           HR   \n",
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      "142  143      Chris Lee  40.0   Female  Not Disclosed 2020-01-15           IT   \n",
      "143  144     Anna Davis   NaN  Unknown          80000 2023-03-22           HR   \n",
      "144  145   Mary Johnson  19.0   Female  Not Disclosed 2020-01-15      Finance   \n",
      "145  146       John Doe  25.0      NaN          55000 2020-01-15           HR   \n",
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      "148  149      Chris Lee  25.0        M          80000 2023-03-22           IT   \n",
      "149  150  Invalid#Name!  30.0      NaN            NaN 2020-01-15      Finance   \n",
      "150  151     Anna Davis  23.0        M          80000 2023-03-22  InvalidDept   \n",
      "151  152     Anna Davis  25.0        F            NaN 2021-06-01  InvalidDept   \n",
      "152  153   Mary Johnson  40.0  Unknown          72000 2020-01-15           HR   \n",
      "153  154     Anna Davis  25.0   Female          80000        NaT        Sales   \n",
      "154  155      Chris Lee  25.0   Female          72000 2021-06-01        Sales   \n",
      "155  156     Anna Davis  25.0      NaN          55000        NaT  InvalidDept   \n",
      "156  157   Mary Johnson  19.0        M          55000 2023-03-22      Finance   \n",
      "157  158   Mary Johnson  25.0        M          45000 2023-03-22           IT   \n",
      "158  159  Invalid#Name!  30.0     Male          80000 2021-06-01      Finance   \n",
      "159  160      Chris Lee  23.0  Unknown          72000 2023-03-22           IT   \n",
      "160  161     Jane Smith   NaN        F            NaN        NaT  InvalidDept   \n",
      "161  162     Jane Smith  25.0   Female          55000 2020-01-15           IT   \n",
      "162  163     Anna Davis  40.0     Male          55000 2020-01-15        Sales   \n",
      "163  164  Invalid#Name!  25.0     Male            NaN 2020-01-15           HR   \n",
      "164  165       John Doe  40.0      NaN          72000 2021-06-01           HR   \n",
      "165  166     Anna Davis  30.0   Female          72000 2023-03-22  InvalidDept   \n",
      "166  167  Invalid#Name!  40.0      NaN          80000        NaT        Sales   \n",
      "167  168      Chris Lee   NaN        F          80000 2023-03-22      Finance   \n",
      "168  169      Chris Lee  23.0     Male  Not Disclosed 2023-03-22        Sales   \n",
      "169  170      Chris Lee  40.0     Male  Not Disclosed 2023-03-22           HR   \n",
      "170  171      Chris Lee  40.0  Unknown          45000 2020-01-15           HR   \n",
      "171  172      Chris Lee  23.0        F          55000        NaT        Sales   \n",
      "172  173  Invalid#Name!   NaN     Male          80000        NaT        Sales   \n",
      "173  174  Invalid#Name!  25.0        F          72000 2023-03-22           HR   \n",
      "174  175   Mary Johnson  40.0   Female            NaN 2020-01-15      Finance   \n",
      "175  176     Jane Smith  23.0        M          72000 2020-01-15  InvalidDept   \n",
      "176  177      Chris Lee  30.0     Male          55000        NaT  InvalidDept   \n",
      "177  178       John Doe  23.0  Unknown  Not Disclosed 2020-01-15        Sales   \n",
      "178  179  Invalid#Name!  30.0   Female          72000 2020-01-15  InvalidDept   \n",
      "179  180       John Doe   NaN        F          45000 2020-01-15           HR   \n",
      "180  181       John Doe  25.0      NaN          55000 2021-06-01           HR   \n",
      "181  182       John Doe  23.0   Female  Not Disclosed 2023-03-22        Sales   \n",
      "182  183   Mary Johnson  19.0     Male            NaN        NaT        Sales   \n",
      "183  184  Invalid#Name!  40.0        F  Not Disclosed        NaT        Sales   \n",
      "184  185       John Doe   NaN        M          45000 2021-06-01      Finance   \n",
      "185  186      Chris Lee  23.0   Female          55000 2023-03-22  InvalidDept   \n",
      "186  187     Anna Davis  40.0     Male            NaN        NaT        Sales   \n",
      "187  188       John Doe  23.0  Unknown          45000 2020-01-15           IT   \n",
      "188  189   Mary Johnson  30.0      NaN  Not Disclosed        NaT           IT   \n",
      "189  190  Invalid#Name!  23.0        F          45000 2020-01-15           HR   \n",
      "190  191   Mary Johnson  19.0   Female          55000 2021-06-01  InvalidDept   \n",
      "191  192       John Doe  23.0   Female          80000 2020-01-15        Sales   \n",
      "192  193  Invalid#Name!  23.0        M          45000        NaT           IT   \n",
      "193  194     Anna Davis  19.0        M          45000        NaT  InvalidDept   \n",
      "194  195       John Doe   NaN  Unknown  Not Disclosed        NaT           HR   \n",
      "195  196   Mary Johnson  23.0      NaN  Not Disclosed 2021-06-01      Finance   \n",
      "196  197     Jane Smith  19.0  Unknown            NaN 2021-06-01  InvalidDept   \n",
      "197  198      Chris Lee  40.0     Male  Not Disclosed 2023-03-22  InvalidDept   \n",
      "198  199   Mary Johnson  30.0     Male          72000        NaT      Finance   \n",
      "199  200  Invalid#Name!  30.0  Unknown          55000 2020-01-15  InvalidDept   \n",
      "200  201       John Doe  23.0      NaN          55000 2021-06-01           HR   \n",
      "201  202      Chris Lee   NaN  Unknown          80000        NaT           HR   \n",
      "202  203       John Doe   NaN      NaN          80000        NaT      Finance   \n",
      "203  204  Invalid#Name!  40.0      NaN          55000 2021-06-01        Sales   \n",
      "204  205       John Doe  23.0        F          80000 2023-03-22           IT   \n",
      "205  206     Jane Smith  30.0      NaN            NaN 2021-06-01        Sales   \n",
      "206  207      Chris Lee   NaN        M  Not Disclosed 2021-06-01  InvalidDept   \n",
      "207  208      Chris Lee  23.0      NaN          55000 2020-01-15           IT   \n",
      "208  209  Invalid#Name!   NaN      NaN          80000 2020-01-15      Finance   \n",
      "209  210     Jane Smith  19.0      NaN          55000 2023-03-22      Finance   \n",
      "210  211   Mary Johnson   NaN     Male          72000        NaT           IT   \n",
      "211  212       John Doe  30.0        M          45000 2021-06-01           HR   \n",
      "212  213     Anna Davis  25.0        M  Not Disclosed 2023-03-22           IT   \n",
      "213  214       John Doe  40.0  Unknown          55000 2020-01-15  InvalidDept   \n",
      "214  215       John Doe  40.0        F          45000 2021-06-01           HR   \n",
      "215  216   Mary Johnson  30.0      NaN          80000        NaT      Finance   \n",
      "216  217       John Doe   NaN   Female          45000 2020-01-15           IT   \n",
      "217  218     Jane Smith  23.0        F  Not Disclosed 2020-01-15        Sales   \n",
      "218  219     Jane Smith   NaN        F          55000 2020-01-15        Sales   \n",
      "219  220      Chris Lee  30.0        M          72000 2023-03-22  InvalidDept   \n",
      "220  221  Invalid#Name!  40.0        F          80000        NaT        Sales   \n",
      "221  222     Anna Davis   NaN      NaN          55000 2021-06-01           IT   \n",
      "222  223       John Doe  40.0      NaN  Not Disclosed 2023-03-22           IT   \n",
      "223  224       John Doe  23.0     Male          80000 2023-03-22        Sales   \n",
      "224  225   Mary Johnson  40.0      NaN            NaN 2023-03-22           IT   \n",
      "225  226  Invalid#Name!  40.0      NaN          45000 2020-01-15  InvalidDept   \n",
      "226  227     Jane Smith  25.0        M  Not Disclosed        NaT           HR   \n",
      "227  228     Anna Davis  25.0      NaN            NaN 2023-03-22  InvalidDept   \n",
      "228  229      Chris Lee  19.0     Male          55000 2021-06-01  InvalidDept   \n",
      "229  230     Jane Smith  25.0   Female          72000        NaT           IT   \n",
      "230  231  Invalid#Name!  40.0        M          80000 2021-06-01           HR   \n",
      "231  232      Chris Lee  30.0   Female          45000        NaT           IT   \n",
      "232  233   Mary Johnson  40.0        M          80000 2021-06-01      Finance   \n",
      "233  234   Mary Johnson  30.0  Unknown          55000 2020-01-15           IT   \n",
      "234  235       John Doe  30.0        F          80000 2023-03-22           IT   \n",
      "235  236  Invalid#Name!  25.0  Unknown          45000 2021-06-01           IT   \n",
      "236  237     Anna Davis   NaN      NaN          55000        NaT           HR   \n",
      "237  238      Chris Lee  23.0   Female          80000 2023-03-22           IT   \n",
      "238  239     Jane Smith  25.0      NaN          72000 2023-03-22           HR   \n",
      "239  240  Invalid#Name!  25.0        F  Not Disclosed        NaT        Sales   \n",
      "240  241  Invalid#Name!   NaN        M          55000 2021-06-01      Finance   \n",
      "241  242   Mary Johnson  23.0        F  Not Disclosed 2020-01-15           HR   \n",
      "242  243       John Doe  40.0     Male          55000 2020-01-15        Sales   \n",
      "243  244       John Doe  19.0        F          72000 2021-06-01           HR   \n",
      "244  245      Chris Lee  19.0     Male  Not Disclosed 2023-03-22           HR   \n",
      "245  246   Mary Johnson  40.0        F            NaN 2023-03-22      Finance   \n",
      "246  247  Invalid#Name!  25.0     Male          45000 2023-03-22  InvalidDept   \n",
      "247  248     Anna Davis  23.0   Female            NaN 2023-03-22  InvalidDept   \n",
      "248  249   Mary Johnson  25.0      NaN          80000 2021-06-01           HR   \n",
      "249  250      Chris Lee  30.0      NaN          72000 2023-03-22           IT   \n",
      "250  251      Chris Lee  25.0  Unknown            NaN        NaT        Sales   \n",
      "251  252   Mary Johnson  25.0      NaN          55000 2023-03-22           IT   \n",
      "252  253      Chris Lee  40.0        M          80000 2020-01-15           IT   \n",
      "253  254   Mary Johnson  40.0        F          80000 2023-03-22           HR   \n",
      "254  255     Jane Smith  40.0  Unknown            NaN 2021-06-01           HR   \n",
      "255  256   Mary Johnson  19.0        M            NaN 2020-01-15           HR   \n",
      "256  257   Mary Johnson  30.0        M          72000 2021-06-01           HR   \n",
      "257  258      Chris Lee  40.0     Male          45000 2021-06-01  InvalidDept   \n",
      "258  259      Chris Lee  23.0      NaN            NaN 2020-01-15           HR   \n",
      "259  260       John Doe  19.0   Female            NaN 2021-06-01  InvalidDept   \n",
      "260  261       John Doe   NaN   Female  Not Disclosed 2021-06-01  InvalidDept   \n",
      "261  262     Jane Smith  23.0  Unknown          55000 2023-03-22           HR   \n",
      "262  263       John Doe  23.0   Female  Not Disclosed        NaT      Finance   \n",
      "263  264   Mary Johnson  40.0        F  Not Disclosed 2021-06-01        Sales   \n",
      "264  265      Chris Lee   NaN   Female          80000 2021-06-01           IT   \n",
      "265  266       John Doe   NaN  Unknown          45000 2021-06-01  InvalidDept   \n",
      "266  267       John Doe  19.0   Female          55000 2023-03-22        Sales   \n",
      "267  268     Jane Smith   NaN        F          72000        NaT      Finance   \n",
      "268  269  Invalid#Name!  30.0     Male          72000 2020-01-15           IT   \n",
      "269  270     Jane Smith  40.0  Unknown            NaN 2023-03-22           IT   \n",
      "270  271   Mary Johnson   NaN     Male            NaN 2023-03-22  InvalidDept   \n",
      "271  272      Chris Lee  19.0     Male          72000        NaT           HR   \n",
      "272  273     Jane Smith  30.0     Male            NaN        NaT      Finance   \n",
      "273  274       John Doe  25.0        M          45000 2023-03-22  InvalidDept   \n",
      "274  275      Chris Lee  25.0      NaN  Not Disclosed 2020-01-15      Finance   \n",
      "275  276      Chris Lee  30.0        M            NaN 2023-03-22           HR   \n",
      "276  277       John Doe  19.0      NaN          80000        NaT           HR   \n",
      "277  278     Jane Smith  30.0     Male            NaN 2020-01-15  InvalidDept   \n",
      "278  279       John Doe  40.0  Unknown          55000        NaT           HR   \n",
      "279  280  Invalid#Name!  40.0      NaN          45000 2020-01-15        Sales   \n",
      "280  281      Chris Lee  25.0        F          55000 2021-06-01           IT   \n",
      "281  282     Anna Davis   NaN        F          55000        NaT  InvalidDept   \n",
      "282  283     Anna Davis  19.0   Female          80000        NaT      Finance   \n",
      "283  284   Mary Johnson  25.0      NaN          45000 2023-03-22        Sales   \n",
      "284  285       John Doe   NaN  Unknown          45000        NaT  InvalidDept   \n",
      "285  286       John Doe   NaN        M          45000        NaT           HR   \n",
      "286  287   Mary Johnson  40.0     Male          45000 2021-06-01           HR   \n",
      "287  288   Mary Johnson  23.0   Female          45000        NaT           HR   \n",
      "288  289   Mary Johnson  23.0        F          80000 2021-06-01           HR   \n",
      "289  290      Chris Lee  30.0        M            NaN 2021-06-01      Finance   \n",
      "290  291  Invalid#Name!  40.0        M          55000 2021-06-01        Sales   \n",
      "291  292       John Doe   NaN     Male          45000 2021-06-01           IT   \n",
      "292  293      Chris Lee  19.0      NaN            NaN 2020-01-15      Finance   \n",
      "293  294   Mary Johnson  23.0        F            NaN 2023-03-22      Finance   \n",
      "294  295       John Doe   NaN  Unknown          55000 2020-01-15           IT   \n",
      "295  296      Chris Lee  23.0        M          80000        NaT           IT   \n",
      "296  297  Invalid#Name!  23.0     Male          72000 2020-01-15           HR   \n",
      "297  298      Chris Lee  23.0  Unknown          72000 2020-01-15      Finance   \n",
      "298  299  Invalid#Name!  19.0      NaN            NaN        NaT  InvalidDept   \n",
      "299  300   Mary Johnson  40.0        F  Not Disclosed        NaT           IT   \n",
      "300  301  Invalid#Name!  19.0      NaN  Not Disclosed        NaT           IT   \n",
      "301  302       John Doe  25.0        M          55000 2020-01-15        Sales   \n",
      "302  303   Mary Johnson   NaN  Unknown          72000 2020-01-15  InvalidDept   \n",
      "303  304       John Doe  40.0  Unknown            NaN        NaT  InvalidDept   \n",
      "304  305     Anna Davis  40.0  Unknown          80000 2023-03-22           IT   \n",
      "305  306     Jane Smith  40.0        M          72000 2023-03-22           HR   \n",
      "306  307  Invalid#Name!  40.0        M            NaN 2021-06-01        Sales   \n",
      "307  308     Jane Smith  19.0      NaN            NaN        NaT  InvalidDept   \n",
      "308  309     Jane Smith  40.0   Female          45000 2021-06-01           IT   \n",
      "309  310  Invalid#Name!  30.0      NaN          80000 2023-03-22  InvalidDept   \n",
      "310  311   Mary Johnson   NaN        F          45000 2021-06-01        Sales   \n",
      "311  312     Anna Davis  40.0     Male          55000        NaT        Sales   \n",
      "312  313       John Doe   NaN  Unknown          45000        NaT      Finance   \n",
      "313  314      Chris Lee  30.0   Female          45000        NaT           IT   \n",
      "314  315       John Doe  30.0     Male          72000 2020-01-15        Sales   \n",
      "315  316      Chris Lee   NaN   Female  Not Disclosed 2021-06-01      Finance   \n",
      "316  317       John Doe  23.0      NaN            NaN 2023-03-22      Finance   \n",
      "317  318  Invalid#Name!  25.0        M          80000 2023-03-22  InvalidDept   \n",
      "318  319     Anna Davis  23.0  Unknown          45000 2023-03-22  InvalidDept   \n",
      "319  320      Chris Lee  23.0      NaN          80000 2020-01-15      Finance   \n",
      "320  321   Mary Johnson  19.0     Male  Not Disclosed 2020-01-15  InvalidDept   \n",
      "321  322       John Doe  23.0     Male  Not Disclosed        NaT        Sales   \n",
      "322  323       John Doe  40.0     Male          45000 2023-03-22           HR   \n",
      "323  324      Chris Lee  19.0     Male          55000 2020-01-15        Sales   \n",
      "324  325   Mary Johnson  19.0     Male          45000        NaT      Finance   \n",
      "325  326   Mary Johnson  30.0   Female          72000 2023-03-22      Finance   \n",
      "326  327  Invalid#Name!  23.0      NaN            NaN 2021-06-01        Sales   \n",
      "327  328  Invalid#Name!  30.0  Unknown          55000        NaT  InvalidDept   \n",
      "328  329  Invalid#Name!   NaN        M          45000 2020-01-15  InvalidDept   \n",
      "329  330  Invalid#Name!  25.0        M          80000 2020-01-15      Finance   \n",
      "330  331  Invalid#Name!  19.0      NaN          55000        NaT           IT   \n",
      "331  332  Invalid#Name!   NaN      NaN          55000        NaT  InvalidDept   \n",
      "332  333     Anna Davis   NaN        M          45000 2020-01-15        Sales   \n",
      "333  334   Mary Johnson  40.0        M          55000 2021-06-01  InvalidDept   \n",
      "334  335  Invalid#Name!  25.0   Female          80000 2023-03-22        Sales   \n",
      "335  336   Mary Johnson   NaN        F  Not Disclosed 2021-06-01      Finance   \n",
      "336  337   Mary Johnson   NaN  Unknown          55000        NaT  InvalidDept   \n",
      "337  338     Jane Smith  25.0     Male  Not Disclosed 2021-06-01        Sales   \n",
      "338  339     Anna Davis  25.0        F          80000 2020-01-15      Finance   \n",
      "339  340  Invalid#Name!   NaN      NaN          45000        NaT           IT   \n",
      "340  341       John Doe  25.0        M            NaN 2023-03-22        Sales   \n",
      "341  342      Chris Lee   NaN        F          55000 2020-01-15           IT   \n",
      "342  343       John Doe   NaN  Unknown            NaN 2020-01-15           IT   \n",
      "343  344     Anna Davis  40.0      NaN          80000 2023-03-22           HR   \n",
      "344  345      Chris Lee  23.0     Male          55000 2023-03-22  InvalidDept   \n",
      "345  346     Anna Davis   NaN     Male  Not Disclosed 2021-06-01        Sales   \n",
      "346  347   Mary Johnson  30.0  Unknown          72000        NaT           IT   \n",
      "347  348      Chris Lee  19.0  Unknown            NaN 2023-03-22           HR   \n",
      "348  349   Mary Johnson  23.0        M          55000 2023-03-22      Finance   \n",
      "349  350       John Doe  23.0     Male            NaN        NaT        Sales   \n",
      "350  351       John Doe  23.0      NaN          55000 2023-03-22           IT   \n",
      "351  352      Chris Lee  40.0        F          45000 2023-03-22  InvalidDept   \n",
      "352  353      Chris Lee   NaN      NaN  Not Disclosed 2021-06-01           HR   \n",
      "353  354  Invalid#Name!  40.0   Female            NaN 2020-01-15           IT   \n",
      "354  355     Anna Davis   NaN   Female          72000 2020-01-15  InvalidDept   \n",
      "355  356  Invalid#Name!  40.0  Unknown          72000 2020-01-15           IT   \n",
      "356  357     Anna Davis  40.0        M          80000 2020-01-15        Sales   \n",
      "357  358  Invalid#Name!  19.0   Female          55000 2023-03-22        Sales   \n",
      "358  359   Mary Johnson  30.0     Male            NaN        NaT        Sales   \n",
      "359  360      Chris Lee  40.0      NaN          80000        NaT           HR   \n",
      "360  361       John Doe  19.0      NaN            NaN 2021-06-01        Sales   \n",
      "361  362     Anna Davis  25.0  Unknown          55000 2021-06-01  InvalidDept   \n",
      "362  363     Anna Davis  30.0        F          72000 2023-03-22           IT   \n",
      "363  364       John Doe  40.0  Unknown          45000        NaT      Finance   \n",
      "364  365  Invalid#Name!  23.0        F          72000        NaT  InvalidDept   \n",
      "365  366     Anna Davis  25.0  Unknown          80000 2020-01-15  InvalidDept   \n",
      "366  367   Mary Johnson  25.0  Unknown  Not Disclosed 2023-03-22        Sales   \n",
      "367  368      Chris Lee  19.0  Unknown          45000 2023-03-22           HR   \n",
      "368  369       John Doe  25.0        F          80000 2020-01-15           IT   \n",
      "369  370      Chris Lee  30.0        F          55000 2023-03-22           HR   \n",
      "370  371     Anna Davis  40.0  Unknown          45000 2023-03-22           IT   \n",
      "371  372     Anna Davis  40.0   Female          80000 2021-06-01           IT   \n",
      "372  373       John Doe  23.0        M          55000        NaT           HR   \n",
      "373  374   Mary Johnson  19.0        M          72000 2023-03-22  InvalidDept   \n",
      "374  375     Jane Smith  23.0        M  Not Disclosed 2021-06-01           IT   \n",
      "375  376       John Doe  25.0        F          55000        NaT           HR   \n",
      "376  377     Jane Smith  23.0        F            NaN 2020-01-15           IT   \n",
      "377  378  Invalid#Name!  30.0   Female          55000 2021-06-01      Finance   \n",
      "378  379     Jane Smith  40.0        M          55000 2021-06-01  InvalidDept   \n",
      "379  380   Mary Johnson  25.0        M  Not Disclosed        NaT        Sales   \n",
      "380  381  Invalid#Name!  23.0  Unknown            NaN 2020-01-15           IT   \n",
      "381  382     Jane Smith  19.0        F          80000 2021-06-01      Finance   \n",
      "382  383  Invalid#Name!  30.0        M          80000 2023-03-22        Sales   \n",
      "383  384     Jane Smith  30.0      NaN          55000 2023-03-22        Sales   \n",
      "384  385   Mary Johnson  23.0   Female            NaN 2023-03-22           IT   \n",
      "385  386     Jane Smith  40.0      NaN            NaN 2020-01-15           HR   \n",
      "386  387     Jane Smith  23.0      NaN  Not Disclosed 2021-06-01           IT   \n",
      "387  388     Jane Smith  25.0   Female          72000 2023-03-22      Finance   \n",
      "388  389       John Doe  23.0      NaN          80000 2020-01-15        Sales   \n",
      "389  390       John Doe  30.0        M  Not Disclosed 2023-03-22           IT   \n",
      "390  391       John Doe  23.0        F          45000        NaT           HR   \n",
      "391  392   Mary Johnson  40.0   Female          80000 2021-06-01           IT   \n",
      "392  393  Invalid#Name!  19.0  Unknown  Not Disclosed 2021-06-01  InvalidDept   \n",
      "393  394     Anna Davis   NaN      NaN          80000 2020-01-15           HR   \n",
      "394  395     Jane Smith  23.0   Female          72000 2020-01-15      Finance   \n",
      "395  396     Jane Smith  40.0     Male          45000 2021-06-01        Sales   \n",
      "396  397   Mary Johnson  40.0     Male          72000 2023-03-22           IT   \n",
      "397  398     Jane Smith  19.0        F          45000 2023-03-22           HR   \n",
      "398  399       John Doe  30.0        M          55000        NaT  InvalidDept   \n",
      "399  400     Anna Davis  40.0        F  Not Disclosed 2023-03-22           HR   \n",
      "\n",
      "    Feedback Score  \n",
      "0              NaN  \n",
      "1                5  \n",
      "2    Not Available  \n",
      "3                3  \n",
      "4                4  \n",
      "5    Not Available  \n",
      "6                3  \n",
      "7                2  \n",
      "8                1  \n",
      "9              NaN  \n",
      "10               5  \n",
      "11               5  \n",
      "12               1  \n",
      "13             NaN  \n",
      "14               1  \n",
      "15               2  \n",
      "16               3  \n",
      "17   Not Available  \n",
      "18               5  \n",
      "19               2  \n",
      "20               3  \n",
      "21               2  \n",
      "22             NaN  \n",
      "23               5  \n",
      "24   Not Available  \n",
      "25               1  \n",
      "26               1  \n",
      "27               3  \n",
      "28   Not Available  \n",
      "29               4  \n",
      "30             NaN  \n",
      "31               3  \n",
      "32               4  \n",
      "33               2  \n",
      "34             NaN  \n",
      "35               2  \n",
      "36   Not Available  \n",
      "37               5  \n",
      "38             NaN  \n",
      "39               4  \n",
      "40               5  \n",
      "41               1  \n",
      "42               4  \n",
      "43               3  \n",
      "44               1  \n",
      "45               1  \n",
      "46               3  \n",
      "47             NaN  \n",
      "48               1  \n",
      "49   Not Available  \n",
      "50               4  \n",
      "51               5  \n",
      "52               1  \n",
      "53               4  \n",
      "54               2  \n",
      "55               4  \n",
      "56               5  \n",
      "57               4  \n",
      "58               3  \n",
      "59               5  \n",
      "60             NaN  \n",
      "61               2  \n",
      "62               3  \n",
      "63             NaN  \n",
      "64               4  \n",
      "65               5  \n",
      "66               2  \n",
      "67               3  \n",
      "68             NaN  \n",
      "69             NaN  \n",
      "70               2  \n",
      "71   Not Available  \n",
      "72               4  \n",
      "73               2  \n",
      "74             NaN  \n",
      "75               1  \n",
      "76               3  \n",
      "77               2  \n",
      "78   Not Available  \n",
      "79             NaN  \n",
      "80               4  \n",
      "81             NaN  \n",
      "82               4  \n",
      "83               2  \n",
      "84               4  \n",
      "85               5  \n",
      "86               5  \n",
      "87               5  \n",
      "88   Not Available  \n",
      "89   Not Available  \n",
      "90               1  \n",
      "91   Not Available  \n",
      "92               2  \n",
      "93             NaN  \n",
      "94             NaN  \n",
      "95               1  \n",
      "96   Not Available  \n",
      "97               4  \n",
      "98               1  \n",
      "99               4  \n",
      "100              4  \n",
      "101              3  \n",
      "102            NaN  \n",
      "103              5  \n",
      "104  Not Available  \n",
      "105              4  \n",
      "106              3  \n",
      "107            NaN  \n",
      "108              5  \n",
      "109              4  \n",
      "110              4  \n",
      "111              1  \n",
      "112              1  \n",
      "113            NaN  \n",
      "114              5  \n",
      "115              4  \n",
      "116            NaN  \n",
      "117            NaN  \n",
      "118              2  \n",
      "119  Not Available  \n",
      "120              1  \n",
      "121              5  \n",
      "122              4  \n",
      "123            NaN  \n",
      "124              4  \n",
      "125              2  \n",
      "126              5  \n",
      "127            NaN  \n",
      "128              4  \n",
      "129              1  \n",
      "130  Not Available  \n",
      "131              2  \n",
      "132              5  \n",
      "133              2  \n",
      "134              1  \n",
      "135              5  \n",
      "136              2  \n",
      "137              3  \n",
      "138              1  \n",
      "139              1  \n",
      "140              1  \n",
      "141              3  \n",
      "142              3  \n",
      "143              4  \n",
      "144            NaN  \n",
      "145  Not Available  \n",
      "146              2  \n",
      "147              4  \n",
      "148              2  \n",
      "149  Not Available  \n",
      "150            NaN  \n",
      "151              3  \n",
      "152            NaN  \n",
      "153              3  \n",
      "154  Not Available  \n",
      "155            NaN  \n",
      "156              4  \n",
      "157              5  \n",
      "158              4  \n",
      "159              2  \n",
      "160              4  \n",
      "161  Not Available  \n",
      "162              1  \n",
      "163              2  \n",
      "164            NaN  \n",
      "165              2  \n",
      "166              5  \n",
      "167              3  \n",
      "168            NaN  \n",
      "169              2  \n",
      "170            NaN  \n",
      "171            NaN  \n",
      "172            NaN  \n",
      "173              3  \n",
      "174  Not Available  \n",
      "175              4  \n",
      "176            NaN  \n",
      "177              1  \n",
      "178  Not Available  \n",
      "179              5  \n",
      "180              3  \n",
      "181              2  \n",
      "182              3  \n",
      "183              2  \n",
      "184              3  \n",
      "185              2  \n",
      "186            NaN  \n",
      "187              4  \n",
      "188              2  \n",
      "189              2  \n",
      "190              1  \n",
      "191              2  \n",
      "192              1  \n",
      "193              5  \n",
      "194            NaN  \n",
      "195              1  \n",
      "196              4  \n",
      "197  Not Available  \n",
      "198            NaN  \n",
      "199              1  \n",
      "200            NaN  \n",
      "201            NaN  \n",
      "202            NaN  \n",
      "203              5  \n",
      "204              4  \n",
      "205              3  \n",
      "206              3  \n",
      "207              1  \n",
      "208            NaN  \n",
      "209              1  \n",
      "210              5  \n",
      "211              5  \n",
      "212              2  \n",
      "213              5  \n",
      "214              2  \n",
      "215              4  \n",
      "216              1  \n",
      "217  Not Available  \n",
      "218              4  \n",
      "219              5  \n",
      "220              4  \n",
      "221              4  \n",
      "222              4  \n",
      "223              5  \n",
      "224  Not Available  \n",
      "225            NaN  \n",
      "226              4  \n",
      "227              2  \n",
      "228              5  \n",
      "229              4  \n",
      "230  Not Available  \n",
      "231            NaN  \n",
      "232              5  \n",
      "233              3  \n",
      "234            NaN  \n",
      "235              2  \n",
      "236              4  \n",
      "237  Not Available  \n",
      "238              3  \n",
      "239  Not Available  \n",
      "240              3  \n",
      "241              5  \n",
      "242              3  \n",
      "243              2  \n",
      "244              2  \n",
      "245              1  \n",
      "246              2  \n",
      "247            NaN  \n",
      "248              3  \n",
      "249              2  \n",
      "250              5  \n",
      "251  Not Available  \n",
      "252  Not Available  \n",
      "253              1  \n",
      "254  Not Available  \n",
      "255              3  \n",
      "256              1  \n",
      "257              3  \n",
      "258              5  \n",
      "259              1  \n",
      "260              4  \n",
      "261            NaN  \n",
      "262            NaN  \n",
      "263              3  \n",
      "264  Not Available  \n",
      "265              4  \n",
      "266              1  \n",
      "267              4  \n",
      "268              4  \n",
      "269  Not Available  \n",
      "270              1  \n",
      "271              5  \n",
      "272  Not Available  \n",
      "273              4  \n",
      "274              4  \n",
      "275              5  \n",
      "276              4  \n",
      "277              4  \n",
      "278              4  \n",
      "279            NaN  \n",
      "280  Not Available  \n",
      "281              2  \n",
      "282  Not Available  \n",
      "283              5  \n",
      "284              4  \n",
      "285  Not Available  \n",
      "286            NaN  \n",
      "287              5  \n",
      "288              3  \n",
      "289  Not Available  \n",
      "290              3  \n",
      "291              4  \n",
      "292            NaN  \n",
      "293            NaN  \n",
      "294  Not Available  \n",
      "295              5  \n",
      "296              5  \n",
      "297            NaN  \n",
      "298              5  \n",
      "299            NaN  \n",
      "300  Not Available  \n",
      "301              2  \n",
      "302            NaN  \n",
      "303              3  \n",
      "304              5  \n",
      "305            NaN  \n",
      "306            NaN  \n",
      "307  Not Available  \n",
      "308              5  \n",
      "309              2  \n",
      "310  Not Available  \n",
      "311              2  \n",
      "312  Not Available  \n",
      "313              5  \n",
      "314              1  \n",
      "315              5  \n",
      "316              5  \n",
      "317              2  \n",
      "318              2  \n",
      "319              5  \n",
      "320              5  \n",
      "321              5  \n",
      "322              2  \n",
      "323              5  \n",
      "324              5  \n",
      "325              4  \n",
      "326              1  \n",
      "327              3  \n",
      "328              1  \n",
      "329              4  \n",
      "330              3  \n",
      "331  Not Available  \n",
      "332              5  \n",
      "333              4  \n",
      "334  Not Available  \n",
      "335              5  \n",
      "336              2  \n",
      "337            NaN  \n",
      "338              4  \n",
      "339              2  \n",
      "340              4  \n",
      "341              4  \n",
      "342              2  \n",
      "343              3  \n",
      "344              1  \n",
      "345              5  \n",
      "346              4  \n",
      "347              5  \n",
      "348            NaN  \n",
      "349              2  \n",
      "350              5  \n",
      "351              2  \n",
      "352              5  \n",
      "353              1  \n",
      "354              1  \n",
      "355              1  \n",
      "356              1  \n",
      "357              1  \n",
      "358              1  \n",
      "359              2  \n",
      "360              4  \n",
      "361              5  \n",
      "362              1  \n",
      "363              2  \n",
      "364              2  \n",
      "365              2  \n",
      "366              4  \n",
      "367              5  \n",
      "368              4  \n",
      "369              3  \n",
      "370  Not Available  \n",
      "371              2  \n",
      "372              3  \n",
      "373            NaN  \n",
      "374              1  \n",
      "375  Not Available  \n",
      "376              1  \n",
      "377              4  \n",
      "378  Not Available  \n",
      "379              5  \n",
      "380              3  \n",
      "381              5  \n",
      "382              4  \n",
      "383              1  \n",
      "384  Not Available  \n",
      "385              5  \n",
      "386              5  \n",
      "387              1  \n",
      "388  Not Available  \n",
      "389              3  \n",
      "390              1  \n",
      "391              5  \n",
      "392              3  \n",
      "393              3  \n",
      "394              1  \n",
      "395              5  \n",
      "396              4  \n",
      "397              5  \n",
      "398              2  \n",
      "399  Not Available  \n"
     ]
    }
   ],
   "source": [
    "\n",
    "df = pd.read_excel(file_path)\n",
    "\n",
    "# Set pandas to display all rows and columns\n",
    "pd.set_option('display.max_rows', None)  # Show all rows\n",
    "pd.set_option('display.max_columns', None)  # Show all columns\n",
    "\n",
    "# Display DataFrame df is data\n",
    "print(df)\n"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "e26767ed",
   "metadata": {
    "papermill": {
     "duration": 0.007607,
     "end_time": "2024-10-05T18:11:01.523230",
     "exception": false,
     "start_time": "2024-10-05T18:11:01.515623",
     "status": "completed"
    },
    "tags": []
   },
   "source": [
    "# Removing Duplicates"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "06a8acc8",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2024-10-05T18:11:01.540142Z",
     "iopub.status.busy": "2024-10-05T18:11:01.539739Z",
     "iopub.status.idle": "2024-10-05T18:11:01.650107Z",
     "shell.execute_reply": "2024-10-05T18:11:01.648860Z"
    },
    "papermill": {
     "duration": 0.123267,
     "end_time": "2024-10-05T18:11:01.654223",
     "exception": false,
     "start_time": "2024-10-05T18:11:01.530956",
     "status": "completed"
    },
    "tags": []
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "      ID           Name   Age   Gender         Salary  Join Date   Department  \\\n",
      "0      1      Chris Lee   NaN  Unknown          72000 2020-01-15  InvalidDept   \n",
      "1      2     Anna Davis  25.0  Unknown          72000        NaT           HR   \n",
      "2      3   Mary Johnson  23.0  Unknown          72000        NaT  InvalidDept   \n",
      "3      4     Anna Davis   NaN   Female          80000 2023-03-22           IT   \n",
      "4      5     Anna Davis  40.0   Female          80000 2020-01-15           IT   \n",
      "5      6     Jane Smith   NaN        M          55000 2020-01-15      Finance   \n",
      "6      7   Mary Johnson  23.0     Male          45000 2021-06-01  InvalidDept   \n",
      "7      8   Mary Johnson  19.0  Unknown          72000 2020-01-15           HR   \n",
      "8      9   Mary Johnson  19.0      NaN          55000        NaT           HR   \n",
      "9     10     Anna Davis   NaN     Male          45000 2020-01-15        Sales   \n",
      "10    11      Chris Lee  30.0      NaN  Not Disclosed 2021-06-01           HR   \n",
      "11    12   Mary Johnson   NaN     Male            NaN 2023-03-22      Finance   \n",
      "12    13  Invalid#Name!  25.0        M          80000 2021-06-01      Finance   \n",
      "13    14     Anna Davis  25.0  Unknown  Not Disclosed 2021-06-01           HR   \n",
      "14    15     Jane Smith  19.0  Unknown          45000 2023-03-22           HR   \n",
      "15    16      Chris Lee  30.0        F  Not Disclosed 2021-06-01        Sales   \n",
      "16    17  Invalid#Name!  23.0      NaN            NaN 2021-06-01           HR   \n",
      "17    18  Invalid#Name!  25.0     Male          45000 2020-01-15        Sales   \n",
      "18    19     Jane Smith  19.0     Male  Not Disclosed 2020-01-15        Sales   \n",
      "19    20      Chris Lee  40.0   Female          80000 2023-03-22           HR   \n",
      "20    21     Anna Davis  19.0        F          80000 2020-01-15           IT   \n",
      "21    22       John Doe  25.0   Female          55000 2020-01-15           IT   \n",
      "22    23      Chris Lee  25.0   Female  Not Disclosed 2021-06-01        Sales   \n",
      "23    24     Jane Smith  19.0   Female          72000        NaT           HR   \n",
      "24    25  Invalid#Name!  23.0      NaN  Not Disclosed 2020-01-15           IT   \n",
      "25    26     Anna Davis   NaN      NaN          45000        NaT           HR   \n",
      "26    27      Chris Lee  25.0        M          45000 2020-01-15           HR   \n",
      "27    28       John Doe  19.0        M  Not Disclosed 2020-01-15           HR   \n",
      "28    29       John Doe  19.0   Female            NaN 2023-03-22  InvalidDept   \n",
      "29    30   Mary Johnson  30.0        F          80000 2023-03-22           HR   \n",
      "30    31   Mary Johnson   NaN     Male          45000 2023-03-22  InvalidDept   \n",
      "31    32     Jane Smith  40.0      NaN          80000        NaT        Sales   \n",
      "32    33      Chris Lee  23.0        F          45000 2021-06-01           IT   \n",
      "33    34      Chris Lee  40.0  Unknown          55000 2020-01-15           IT   \n",
      "34    35  Invalid#Name!   NaN      NaN          72000 2020-01-15           IT   \n",
      "35    36  Invalid#Name!   NaN      NaN          45000 2020-01-15           IT   \n",
      "36    37  Invalid#Name!   NaN        M          80000        NaT           IT   \n",
      "37    38   Mary Johnson  40.0     Male          55000 2023-03-22           IT   \n",
      "38    39      Chris Lee   NaN     Male          45000 2021-06-01           IT   \n",
      "39    40      Chris Lee  19.0  Unknown            NaN        NaT        Sales   \n",
      "40    41       John Doe  40.0  Unknown          72000 2023-03-22           HR   \n",
      "41    42   Mary Johnson   NaN      NaN          45000        NaT      Finance   \n",
      "42    43     Anna Davis  19.0   Female          55000 2021-06-01  InvalidDept   \n",
      "43    44   Mary Johnson  30.0        M            NaN 2023-03-22      Finance   \n",
      "44    45     Anna Davis   NaN        M  Not Disclosed        NaT      Finance   \n",
      "45    46       John Doe  40.0      NaN          55000 2021-06-01           HR   \n",
      "46    47     Jane Smith  25.0        F          55000 2020-01-15           HR   \n",
      "47    48      Chris Lee   NaN   Female            NaN 2021-06-01           HR   \n",
      "48    49       John Doe  25.0      NaN          55000 2020-01-15           IT   \n",
      "49    50      Chris Lee  19.0   Female            NaN        NaT        Sales   \n",
      "50    51  Invalid#Name!  30.0   Female          45000 2023-03-22           IT   \n",
      "51    52     Jane Smith  23.0   Female            NaN 2023-03-22        Sales   \n",
      "52    53     Jane Smith  30.0      NaN            NaN        NaT        Sales   \n",
      "53    54       John Doe   NaN        M          72000 2023-03-22      Finance   \n",
      "54    55     Jane Smith  25.0        M            NaN 2023-03-22      Finance   \n",
      "55    56     Anna Davis  25.0   Female            NaN 2020-01-15        Sales   \n",
      "56    57     Jane Smith  40.0        F  Not Disclosed        NaT        Sales   \n",
      "57    58      Chris Lee  25.0     Male          45000 2021-06-01           IT   \n",
      "58    59      Chris Lee  40.0      NaN          72000 2020-01-15           IT   \n",
      "59    60      Chris Lee  19.0     Male  Not Disclosed        NaT      Finance   \n",
      "60    61      Chris Lee  23.0        F          80000 2020-01-15           HR   \n",
      "61    62     Anna Davis   NaN      NaN          45000 2021-06-01        Sales   \n",
      "62    63   Mary Johnson  40.0   Female          45000 2021-06-01           IT   \n",
      "63    64  Invalid#Name!  23.0        M          80000        NaT      Finance   \n",
      "64    65       John Doe  25.0     Male            NaN 2021-06-01           IT   \n",
      "65    66      Chris Lee  25.0  Unknown  Not Disclosed 2020-01-15        Sales   \n",
      "66    67     Jane Smith  23.0  Unknown          55000 2021-06-01        Sales   \n",
      "67    68      Chris Lee  25.0        F          72000 2020-01-15  InvalidDept   \n",
      "68    69     Jane Smith  19.0   Female          55000 2020-01-15           HR   \n",
      "69    70  Invalid#Name!  19.0     Male          80000 2021-06-01  InvalidDept   \n",
      "70    71  Invalid#Name!  23.0   Female          45000        NaT      Finance   \n",
      "71    72  Invalid#Name!  40.0     Male          45000 2023-03-22           IT   \n",
      "72    73     Jane Smith  40.0        F          72000 2021-06-01      Finance   \n",
      "73    74      Chris Lee  23.0        F          45000 2020-01-15        Sales   \n",
      "74    75  Invalid#Name!  40.0  Unknown          45000 2020-01-15  InvalidDept   \n",
      "75    76     Anna Davis  40.0   Female          72000 2021-06-01  InvalidDept   \n",
      "76    77     Jane Smith  19.0      NaN  Not Disclosed        NaT  InvalidDept   \n",
      "77    78     Jane Smith  40.0  Unknown  Not Disclosed        NaT      Finance   \n",
      "78    79      Chris Lee  30.0   Female          72000 2020-01-15        Sales   \n",
      "79    80     Jane Smith   NaN  Unknown          80000 2020-01-15           IT   \n",
      "80    81     Jane Smith  25.0      NaN          45000        NaT           IT   \n",
      "81    82  Invalid#Name!  30.0        M          45000 2023-03-22      Finance   \n",
      "82    83      Chris Lee  40.0        M          80000 2021-06-01  InvalidDept   \n",
      "83    84  Invalid#Name!  19.0        M  Not Disclosed 2020-01-15           HR   \n",
      "84    85  Invalid#Name!  23.0        M            NaN 2020-01-15      Finance   \n",
      "85    86      Chris Lee  40.0     Male            NaN        NaT      Finance   \n",
      "86    87       John Doe  19.0        M            NaN 2021-06-01        Sales   \n",
      "87    88  Invalid#Name!   NaN      NaN  Not Disclosed        NaT           IT   \n",
      "88    89     Anna Davis  40.0        F  Not Disclosed 2021-06-01      Finance   \n",
      "89    90     Anna Davis  23.0        F          80000 2021-06-01      Finance   \n",
      "90    91     Jane Smith  19.0     Male          45000 2021-06-01  InvalidDept   \n",
      "91    92     Anna Davis  19.0        M          80000 2020-01-15  InvalidDept   \n",
      "92    93     Jane Smith  19.0        M          80000 2023-03-22           HR   \n",
      "93    94       John Doe   NaN        M  Not Disclosed        NaT        Sales   \n",
      "94    95      Chris Lee  40.0  Unknown            NaN 2023-03-22           HR   \n",
      "95    96      Chris Lee   NaN   Female          55000        NaT  InvalidDept   \n",
      "96    97      Chris Lee  25.0  Unknown          45000 2021-06-01           IT   \n",
      "97    98     Anna Davis  25.0   Female  Not Disclosed 2020-01-15  InvalidDept   \n",
      "98    99       John Doe  40.0        M            NaN 2023-03-22        Sales   \n",
      "99   100     Anna Davis   NaN        M          55000 2020-01-15  InvalidDept   \n",
      "100  101     Anna Davis  23.0  Unknown          55000        NaT        Sales   \n",
      "101  102       John Doe  19.0  Unknown  Not Disclosed 2020-01-15        Sales   \n",
      "102  103       John Doe  19.0   Female          72000 2020-01-15        Sales   \n",
      "103  104       John Doe  40.0        F          45000 2023-03-22        Sales   \n",
      "104  105       John Doe  25.0   Female          55000 2021-06-01        Sales   \n",
      "105  106      Chris Lee  25.0  Unknown  Not Disclosed 2020-01-15           IT   \n",
      "106  107   Mary Johnson  19.0      NaN  Not Disclosed 2021-06-01           HR   \n",
      "107  108   Mary Johnson  40.0  Unknown            NaN        NaT      Finance   \n",
      "108  109       John Doe   NaN      NaN          72000 2020-01-15           HR   \n",
      "109  110   Mary Johnson  25.0     Male          45000 2023-03-22        Sales   \n",
      "110  111   Mary Johnson   NaN  Unknown          80000        NaT           IT   \n",
      "111  112       John Doe  25.0     Male            NaN        NaT  InvalidDept   \n",
      "112  113   Mary Johnson  25.0        F          55000 2023-03-22           IT   \n",
      "113  114     Anna Davis  30.0   Female          55000 2020-01-15        Sales   \n",
      "114  115     Jane Smith  25.0      NaN            NaN 2020-01-15           IT   \n",
      "115  116     Jane Smith  23.0   Female  Not Disclosed        NaT           IT   \n",
      "116  117       John Doe  40.0     Male          55000 2020-01-15        Sales   \n",
      "117  118      Chris Lee  40.0      NaN          72000 2021-06-01           IT   \n",
      "118  119       John Doe   NaN   Female          45000 2023-03-22      Finance   \n",
      "119  120      Chris Lee  25.0  Unknown          72000 2021-06-01      Finance   \n",
      "120  121     Jane Smith  23.0        M          55000 2020-01-15           IT   \n",
      "121  122       John Doe   NaN     Male          80000        NaT  InvalidDept   \n",
      "122  123  Invalid#Name!  30.0   Female          45000 2023-03-22        Sales   \n",
      "123  124     Anna Davis   NaN     Male          45000 2020-01-15      Finance   \n",
      "124  125   Mary Johnson   NaN     Male            NaN 2020-01-15  InvalidDept   \n",
      "125  126      Chris Lee  25.0      NaN            NaN        NaT           IT   \n",
      "126  127  Invalid#Name!  30.0      NaN          80000        NaT  InvalidDept   \n",
      "127  128   Mary Johnson   NaN        M  Not Disclosed 2021-06-01           HR   \n",
      "128  129   Mary Johnson  23.0  Unknown          45000 2023-03-22      Finance   \n",
      "129  130       John Doe  23.0     Male          80000 2023-03-22           IT   \n",
      "130  131   Mary Johnson  40.0   Female            NaN        NaT        Sales   \n",
      "131  132     Anna Davis  30.0        F            NaN 2021-06-01           IT   \n",
      "132  133  Invalid#Name!  30.0     Male          45000 2023-03-22        Sales   \n",
      "133  134   Mary Johnson  40.0     Male          72000        NaT           IT   \n",
      "134  135       John Doe   NaN        M          55000 2020-01-15  InvalidDept   \n",
      "135  136     Anna Davis  30.0  Unknown            NaN 2023-03-22  InvalidDept   \n",
      "136  137     Jane Smith  23.0        F  Not Disclosed 2021-06-01  InvalidDept   \n",
      "137  138  Invalid#Name!  23.0      NaN  Not Disclosed 2021-06-01           HR   \n",
      "138  139   Mary Johnson  25.0      NaN            NaN 2021-06-01        Sales   \n",
      "139  140       John Doe  30.0   Female          72000 2020-01-15  InvalidDept   \n",
      "140  141     Jane Smith   NaN        F          72000 2023-03-22           HR   \n",
      "141  142     Jane Smith  40.0      NaN          80000 2023-03-22        Sales   \n",
      "142  143      Chris Lee  40.0   Female  Not Disclosed 2020-01-15           IT   \n",
      "143  144     Anna Davis   NaN  Unknown          80000 2023-03-22           HR   \n",
      "144  145   Mary Johnson  19.0   Female  Not Disclosed 2020-01-15      Finance   \n",
      "145  146       John Doe  25.0      NaN          55000 2020-01-15           HR   \n",
      "146  147      Chris Lee  40.0        M          55000 2020-01-15           HR   \n",
      "147  148     Anna Davis  30.0        M          45000 2021-06-01        Sales   \n",
      "148  149      Chris Lee  25.0        M          80000 2023-03-22           IT   \n",
      "149  150  Invalid#Name!  30.0      NaN            NaN 2020-01-15      Finance   \n",
      "150  151     Anna Davis  23.0        M          80000 2023-03-22  InvalidDept   \n",
      "151  152     Anna Davis  25.0        F            NaN 2021-06-01  InvalidDept   \n",
      "152  153   Mary Johnson  40.0  Unknown          72000 2020-01-15           HR   \n",
      "153  154     Anna Davis  25.0   Female          80000        NaT        Sales   \n",
      "154  155      Chris Lee  25.0   Female          72000 2021-06-01        Sales   \n",
      "155  156     Anna Davis  25.0      NaN          55000        NaT  InvalidDept   \n",
      "156  157   Mary Johnson  19.0        M          55000 2023-03-22      Finance   \n",
      "157  158   Mary Johnson  25.0        M          45000 2023-03-22           IT   \n",
      "158  159  Invalid#Name!  30.0     Male          80000 2021-06-01      Finance   \n",
      "159  160      Chris Lee  23.0  Unknown          72000 2023-03-22           IT   \n",
      "160  161     Jane Smith   NaN        F            NaN        NaT  InvalidDept   \n",
      "161  162     Jane Smith  25.0   Female          55000 2020-01-15           IT   \n",
      "162  163     Anna Davis  40.0     Male          55000 2020-01-15        Sales   \n",
      "163  164  Invalid#Name!  25.0     Male            NaN 2020-01-15           HR   \n",
      "164  165       John Doe  40.0      NaN          72000 2021-06-01           HR   \n",
      "165  166     Anna Davis  30.0   Female          72000 2023-03-22  InvalidDept   \n",
      "166  167  Invalid#Name!  40.0      NaN          80000        NaT        Sales   \n",
      "167  168      Chris Lee   NaN        F          80000 2023-03-22      Finance   \n",
      "168  169      Chris Lee  23.0     Male  Not Disclosed 2023-03-22        Sales   \n",
      "169  170      Chris Lee  40.0     Male  Not Disclosed 2023-03-22           HR   \n",
      "170  171      Chris Lee  40.0  Unknown          45000 2020-01-15           HR   \n",
      "171  172      Chris Lee  23.0        F          55000        NaT        Sales   \n",
      "172  173  Invalid#Name!   NaN     Male          80000        NaT        Sales   \n",
      "173  174  Invalid#Name!  25.0        F          72000 2023-03-22           HR   \n",
      "174  175   Mary Johnson  40.0   Female            NaN 2020-01-15      Finance   \n",
      "175  176     Jane Smith  23.0        M          72000 2020-01-15  InvalidDept   \n",
      "176  177      Chris Lee  30.0     Male          55000        NaT  InvalidDept   \n",
      "177  178       John Doe  23.0  Unknown  Not Disclosed 2020-01-15        Sales   \n",
      "178  179  Invalid#Name!  30.0   Female          72000 2020-01-15  InvalidDept   \n",
      "179  180       John Doe   NaN        F          45000 2020-01-15           HR   \n",
      "180  181       John Doe  25.0      NaN          55000 2021-06-01           HR   \n",
      "181  182       John Doe  23.0   Female  Not Disclosed 2023-03-22        Sales   \n",
      "182  183   Mary Johnson  19.0     Male            NaN        NaT        Sales   \n",
      "183  184  Invalid#Name!  40.0        F  Not Disclosed        NaT        Sales   \n",
      "184  185       John Doe   NaN        M          45000 2021-06-01      Finance   \n",
      "185  186      Chris Lee  23.0   Female          55000 2023-03-22  InvalidDept   \n",
      "186  187     Anna Davis  40.0     Male            NaN        NaT        Sales   \n",
      "187  188       John Doe  23.0  Unknown          45000 2020-01-15           IT   \n",
      "188  189   Mary Johnson  30.0      NaN  Not Disclosed        NaT           IT   \n",
      "189  190  Invalid#Name!  23.0        F          45000 2020-01-15           HR   \n",
      "190  191   Mary Johnson  19.0   Female          55000 2021-06-01  InvalidDept   \n",
      "191  192       John Doe  23.0   Female          80000 2020-01-15        Sales   \n",
      "192  193  Invalid#Name!  23.0        M          45000        NaT           IT   \n",
      "193  194     Anna Davis  19.0        M          45000        NaT  InvalidDept   \n",
      "194  195       John Doe   NaN  Unknown  Not Disclosed        NaT           HR   \n",
      "195  196   Mary Johnson  23.0      NaN  Not Disclosed 2021-06-01      Finance   \n",
      "196  197     Jane Smith  19.0  Unknown            NaN 2021-06-01  InvalidDept   \n",
      "197  198      Chris Lee  40.0     Male  Not Disclosed 2023-03-22  InvalidDept   \n",
      "198  199   Mary Johnson  30.0     Male          72000        NaT      Finance   \n",
      "199  200  Invalid#Name!  30.0  Unknown          55000 2020-01-15  InvalidDept   \n",
      "200  201       John Doe  23.0      NaN          55000 2021-06-01           HR   \n",
      "201  202      Chris Lee   NaN  Unknown          80000        NaT           HR   \n",
      "202  203       John Doe   NaN      NaN          80000        NaT      Finance   \n",
      "203  204  Invalid#Name!  40.0      NaN          55000 2021-06-01        Sales   \n",
      "204  205       John Doe  23.0        F          80000 2023-03-22           IT   \n",
      "205  206     Jane Smith  30.0      NaN            NaN 2021-06-01        Sales   \n",
      "206  207      Chris Lee   NaN        M  Not Disclosed 2021-06-01  InvalidDept   \n",
      "207  208      Chris Lee  23.0      NaN          55000 2020-01-15           IT   \n",
      "208  209  Invalid#Name!   NaN      NaN          80000 2020-01-15      Finance   \n",
      "209  210     Jane Smith  19.0      NaN          55000 2023-03-22      Finance   \n",
      "210  211   Mary Johnson   NaN     Male          72000        NaT           IT   \n",
      "211  212       John Doe  30.0        M          45000 2021-06-01           HR   \n",
      "212  213     Anna Davis  25.0        M  Not Disclosed 2023-03-22           IT   \n",
      "213  214       John Doe  40.0  Unknown          55000 2020-01-15  InvalidDept   \n",
      "214  215       John Doe  40.0        F          45000 2021-06-01           HR   \n",
      "215  216   Mary Johnson  30.0      NaN          80000        NaT      Finance   \n",
      "216  217       John Doe   NaN   Female          45000 2020-01-15           IT   \n",
      "217  218     Jane Smith  23.0        F  Not Disclosed 2020-01-15        Sales   \n",
      "218  219     Jane Smith   NaN        F          55000 2020-01-15        Sales   \n",
      "219  220      Chris Lee  30.0        M          72000 2023-03-22  InvalidDept   \n",
      "220  221  Invalid#Name!  40.0        F          80000        NaT        Sales   \n",
      "221  222     Anna Davis   NaN      NaN          55000 2021-06-01           IT   \n",
      "222  223       John Doe  40.0      NaN  Not Disclosed 2023-03-22           IT   \n",
      "223  224       John Doe  23.0     Male          80000 2023-03-22        Sales   \n",
      "224  225   Mary Johnson  40.0      NaN            NaN 2023-03-22           IT   \n",
      "225  226  Invalid#Name!  40.0      NaN          45000 2020-01-15  InvalidDept   \n",
      "226  227     Jane Smith  25.0        M  Not Disclosed        NaT           HR   \n",
      "227  228     Anna Davis  25.0      NaN            NaN 2023-03-22  InvalidDept   \n",
      "228  229      Chris Lee  19.0     Male          55000 2021-06-01  InvalidDept   \n",
      "229  230     Jane Smith  25.0   Female          72000        NaT           IT   \n",
      "230  231  Invalid#Name!  40.0        M          80000 2021-06-01           HR   \n",
      "231  232      Chris Lee  30.0   Female          45000        NaT           IT   \n",
      "232  233   Mary Johnson  40.0        M          80000 2021-06-01      Finance   \n",
      "233  234   Mary Johnson  30.0  Unknown          55000 2020-01-15           IT   \n",
      "234  235       John Doe  30.0        F          80000 2023-03-22           IT   \n",
      "235  236  Invalid#Name!  25.0  Unknown          45000 2021-06-01           IT   \n",
      "236  237     Anna Davis   NaN      NaN          55000        NaT           HR   \n",
      "237  238      Chris Lee  23.0   Female          80000 2023-03-22           IT   \n",
      "238  239     Jane Smith  25.0      NaN          72000 2023-03-22           HR   \n",
      "239  240  Invalid#Name!  25.0        F  Not Disclosed        NaT        Sales   \n",
      "240  241  Invalid#Name!   NaN        M          55000 2021-06-01      Finance   \n",
      "241  242   Mary Johnson  23.0        F  Not Disclosed 2020-01-15           HR   \n",
      "242  243       John Doe  40.0     Male          55000 2020-01-15        Sales   \n",
      "243  244       John Doe  19.0        F          72000 2021-06-01           HR   \n",
      "244  245      Chris Lee  19.0     Male  Not Disclosed 2023-03-22           HR   \n",
      "245  246   Mary Johnson  40.0        F            NaN 2023-03-22      Finance   \n",
      "246  247  Invalid#Name!  25.0     Male          45000 2023-03-22  InvalidDept   \n",
      "247  248     Anna Davis  23.0   Female            NaN 2023-03-22  InvalidDept   \n",
      "248  249   Mary Johnson  25.0      NaN          80000 2021-06-01           HR   \n",
      "249  250      Chris Lee  30.0      NaN          72000 2023-03-22           IT   \n",
      "250  251      Chris Lee  25.0  Unknown            NaN        NaT        Sales   \n",
      "251  252   Mary Johnson  25.0      NaN          55000 2023-03-22           IT   \n",
      "252  253      Chris Lee  40.0        M          80000 2020-01-15           IT   \n",
      "253  254   Mary Johnson  40.0        F          80000 2023-03-22           HR   \n",
      "254  255     Jane Smith  40.0  Unknown            NaN 2021-06-01           HR   \n",
      "255  256   Mary Johnson  19.0        M            NaN 2020-01-15           HR   \n",
      "256  257   Mary Johnson  30.0        M          72000 2021-06-01           HR   \n",
      "257  258      Chris Lee  40.0     Male          45000 2021-06-01  InvalidDept   \n",
      "258  259      Chris Lee  23.0      NaN            NaN 2020-01-15           HR   \n",
      "259  260       John Doe  19.0   Female            NaN 2021-06-01  InvalidDept   \n",
      "260  261       John Doe   NaN   Female  Not Disclosed 2021-06-01  InvalidDept   \n",
      "261  262     Jane Smith  23.0  Unknown          55000 2023-03-22           HR   \n",
      "262  263       John Doe  23.0   Female  Not Disclosed        NaT      Finance   \n",
      "263  264   Mary Johnson  40.0        F  Not Disclosed 2021-06-01        Sales   \n",
      "264  265      Chris Lee   NaN   Female          80000 2021-06-01           IT   \n",
      "265  266       John Doe   NaN  Unknown          45000 2021-06-01  InvalidDept   \n",
      "266  267       John Doe  19.0   Female          55000 2023-03-22        Sales   \n",
      "267  268     Jane Smith   NaN        F          72000        NaT      Finance   \n",
      "268  269  Invalid#Name!  30.0     Male          72000 2020-01-15           IT   \n",
      "269  270     Jane Smith  40.0  Unknown            NaN 2023-03-22           IT   \n",
      "270  271   Mary Johnson   NaN     Male            NaN 2023-03-22  InvalidDept   \n",
      "271  272      Chris Lee  19.0     Male          72000        NaT           HR   \n",
      "272  273     Jane Smith  30.0     Male            NaN        NaT      Finance   \n",
      "273  274       John Doe  25.0        M          45000 2023-03-22  InvalidDept   \n",
      "274  275      Chris Lee  25.0      NaN  Not Disclosed 2020-01-15      Finance   \n",
      "275  276      Chris Lee  30.0        M            NaN 2023-03-22           HR   \n",
      "276  277       John Doe  19.0      NaN          80000        NaT           HR   \n",
      "277  278     Jane Smith  30.0     Male            NaN 2020-01-15  InvalidDept   \n",
      "278  279       John Doe  40.0  Unknown          55000        NaT           HR   \n",
      "279  280  Invalid#Name!  40.0      NaN          45000 2020-01-15        Sales   \n",
      "280  281      Chris Lee  25.0        F          55000 2021-06-01           IT   \n",
      "281  282     Anna Davis   NaN        F          55000        NaT  InvalidDept   \n",
      "282  283     Anna Davis  19.0   Female          80000        NaT      Finance   \n",
      "283  284   Mary Johnson  25.0      NaN          45000 2023-03-22        Sales   \n",
      "284  285       John Doe   NaN  Unknown          45000        NaT  InvalidDept   \n",
      "285  286       John Doe   NaN        M          45000        NaT           HR   \n",
      "286  287   Mary Johnson  40.0     Male          45000 2021-06-01           HR   \n",
      "287  288   Mary Johnson  23.0   Female          45000        NaT           HR   \n",
      "288  289   Mary Johnson  23.0        F          80000 2021-06-01           HR   \n",
      "289  290      Chris Lee  30.0        M            NaN 2021-06-01      Finance   \n",
      "290  291  Invalid#Name!  40.0        M          55000 2021-06-01        Sales   \n",
      "291  292       John Doe   NaN     Male          45000 2021-06-01           IT   \n",
      "292  293      Chris Lee  19.0      NaN            NaN 2020-01-15      Finance   \n",
      "293  294   Mary Johnson  23.0        F            NaN 2023-03-22      Finance   \n",
      "294  295       John Doe   NaN  Unknown          55000 2020-01-15           IT   \n",
      "295  296      Chris Lee  23.0        M          80000        NaT           IT   \n",
      "296  297  Invalid#Name!  23.0     Male          72000 2020-01-15           HR   \n",
      "297  298      Chris Lee  23.0  Unknown          72000 2020-01-15      Finance   \n",
      "298  299  Invalid#Name!  19.0      NaN            NaN        NaT  InvalidDept   \n",
      "299  300   Mary Johnson  40.0        F  Not Disclosed        NaT           IT   \n",
      "300  301  Invalid#Name!  19.0      NaN  Not Disclosed        NaT           IT   \n",
      "301  302       John Doe  25.0        M          55000 2020-01-15        Sales   \n",
      "302  303   Mary Johnson   NaN  Unknown          72000 2020-01-15  InvalidDept   \n",
      "303  304       John Doe  40.0  Unknown            NaN        NaT  InvalidDept   \n",
      "304  305     Anna Davis  40.0  Unknown          80000 2023-03-22           IT   \n",
      "305  306     Jane Smith  40.0        M          72000 2023-03-22           HR   \n",
      "306  307  Invalid#Name!  40.0        M            NaN 2021-06-01        Sales   \n",
      "307  308     Jane Smith  19.0      NaN            NaN        NaT  InvalidDept   \n",
      "308  309     Jane Smith  40.0   Female          45000 2021-06-01           IT   \n",
      "309  310  Invalid#Name!  30.0      NaN          80000 2023-03-22  InvalidDept   \n",
      "310  311   Mary Johnson   NaN        F          45000 2021-06-01        Sales   \n",
      "311  312     Anna Davis  40.0     Male          55000        NaT        Sales   \n",
      "312  313       John Doe   NaN  Unknown          45000        NaT      Finance   \n",
      "313  314      Chris Lee  30.0   Female          45000        NaT           IT   \n",
      "314  315       John Doe  30.0     Male          72000 2020-01-15        Sales   \n",
      "315  316      Chris Lee   NaN   Female  Not Disclosed 2021-06-01      Finance   \n",
      "316  317       John Doe  23.0      NaN            NaN 2023-03-22      Finance   \n",
      "317  318  Invalid#Name!  25.0        M          80000 2023-03-22  InvalidDept   \n",
      "318  319     Anna Davis  23.0  Unknown          45000 2023-03-22  InvalidDept   \n",
      "319  320      Chris Lee  23.0      NaN          80000 2020-01-15      Finance   \n",
      "320  321   Mary Johnson  19.0     Male  Not Disclosed 2020-01-15  InvalidDept   \n",
      "321  322       John Doe  23.0     Male  Not Disclosed        NaT        Sales   \n",
      "322  323       John Doe  40.0     Male          45000 2023-03-22           HR   \n",
      "323  324      Chris Lee  19.0     Male          55000 2020-01-15        Sales   \n",
      "324  325   Mary Johnson  19.0     Male          45000        NaT      Finance   \n",
      "325  326   Mary Johnson  30.0   Female          72000 2023-03-22      Finance   \n",
      "326  327  Invalid#Name!  23.0      NaN            NaN 2021-06-01        Sales   \n",
      "327  328  Invalid#Name!  30.0  Unknown          55000        NaT  InvalidDept   \n",
      "328  329  Invalid#Name!   NaN        M          45000 2020-01-15  InvalidDept   \n",
      "329  330  Invalid#Name!  25.0        M          80000 2020-01-15      Finance   \n",
      "330  331  Invalid#Name!  19.0      NaN          55000        NaT           IT   \n",
      "331  332  Invalid#Name!   NaN      NaN          55000        NaT  InvalidDept   \n",
      "332  333     Anna Davis   NaN        M          45000 2020-01-15        Sales   \n",
      "333  334   Mary Johnson  40.0        M          55000 2021-06-01  InvalidDept   \n",
      "334  335  Invalid#Name!  25.0   Female          80000 2023-03-22        Sales   \n",
      "335  336   Mary Johnson   NaN        F  Not Disclosed 2021-06-01      Finance   \n",
      "336  337   Mary Johnson   NaN  Unknown          55000        NaT  InvalidDept   \n",
      "337  338     Jane Smith  25.0     Male  Not Disclosed 2021-06-01        Sales   \n",
      "338  339     Anna Davis  25.0        F          80000 2020-01-15      Finance   \n",
      "339  340  Invalid#Name!   NaN      NaN          45000        NaT           IT   \n",
      "340  341       John Doe  25.0        M            NaN 2023-03-22        Sales   \n",
      "341  342      Chris Lee   NaN        F          55000 2020-01-15           IT   \n",
      "342  343       John Doe   NaN  Unknown            NaN 2020-01-15           IT   \n",
      "343  344     Anna Davis  40.0      NaN          80000 2023-03-22           HR   \n",
      "344  345      Chris Lee  23.0     Male          55000 2023-03-22  InvalidDept   \n",
      "345  346     Anna Davis   NaN     Male  Not Disclosed 2021-06-01        Sales   \n",
      "346  347   Mary Johnson  30.0  Unknown          72000        NaT           IT   \n",
      "347  348      Chris Lee  19.0  Unknown            NaN 2023-03-22           HR   \n",
      "348  349   Mary Johnson  23.0        M          55000 2023-03-22      Finance   \n",
      "349  350       John Doe  23.0     Male            NaN        NaT        Sales   \n",
      "350  351       John Doe  23.0      NaN          55000 2023-03-22           IT   \n",
      "351  352      Chris Lee  40.0        F          45000 2023-03-22  InvalidDept   \n",
      "352  353      Chris Lee   NaN      NaN  Not Disclosed 2021-06-01           HR   \n",
      "353  354  Invalid#Name!  40.0   Female            NaN 2020-01-15           IT   \n",
      "354  355     Anna Davis   NaN   Female          72000 2020-01-15  InvalidDept   \n",
      "355  356  Invalid#Name!  40.0  Unknown          72000 2020-01-15           IT   \n",
      "356  357     Anna Davis  40.0        M          80000 2020-01-15        Sales   \n",
      "357  358  Invalid#Name!  19.0   Female          55000 2023-03-22        Sales   \n",
      "358  359   Mary Johnson  30.0     Male            NaN        NaT        Sales   \n",
      "359  360      Chris Lee  40.0      NaN          80000        NaT           HR   \n",
      "360  361       John Doe  19.0      NaN            NaN 2021-06-01        Sales   \n",
      "361  362     Anna Davis  25.0  Unknown          55000 2021-06-01  InvalidDept   \n",
      "362  363     Anna Davis  30.0        F          72000 2023-03-22           IT   \n",
      "363  364       John Doe  40.0  Unknown          45000        NaT      Finance   \n",
      "364  365  Invalid#Name!  23.0        F          72000        NaT  InvalidDept   \n",
      "365  366     Anna Davis  25.0  Unknown          80000 2020-01-15  InvalidDept   \n",
      "366  367   Mary Johnson  25.0  Unknown  Not Disclosed 2023-03-22        Sales   \n",
      "367  368      Chris Lee  19.0  Unknown          45000 2023-03-22           HR   \n",
      "368  369       John Doe  25.0        F          80000 2020-01-15           IT   \n",
      "369  370      Chris Lee  30.0        F          55000 2023-03-22           HR   \n",
      "370  371     Anna Davis  40.0  Unknown          45000 2023-03-22           IT   \n",
      "371  372     Anna Davis  40.0   Female          80000 2021-06-01           IT   \n",
      "372  373       John Doe  23.0        M          55000        NaT           HR   \n",
      "373  374   Mary Johnson  19.0        M          72000 2023-03-22  InvalidDept   \n",
      "374  375     Jane Smith  23.0        M  Not Disclosed 2021-06-01           IT   \n",
      "375  376       John Doe  25.0        F          55000        NaT           HR   \n",
      "376  377     Jane Smith  23.0        F            NaN 2020-01-15           IT   \n",
      "377  378  Invalid#Name!  30.0   Female          55000 2021-06-01      Finance   \n",
      "378  379     Jane Smith  40.0        M          55000 2021-06-01  InvalidDept   \n",
      "379  380   Mary Johnson  25.0        M  Not Disclosed        NaT        Sales   \n",
      "380  381  Invalid#Name!  23.0  Unknown            NaN 2020-01-15           IT   \n",
      "381  382     Jane Smith  19.0        F          80000 2021-06-01      Finance   \n",
      "382  383  Invalid#Name!  30.0        M          80000 2023-03-22        Sales   \n",
      "383  384     Jane Smith  30.0      NaN          55000 2023-03-22        Sales   \n",
      "384  385   Mary Johnson  23.0   Female            NaN 2023-03-22           IT   \n",
      "385  386     Jane Smith  40.0      NaN            NaN 2020-01-15           HR   \n",
      "386  387     Jane Smith  23.0      NaN  Not Disclosed 2021-06-01           IT   \n",
      "387  388     Jane Smith  25.0   Female          72000 2023-03-22      Finance   \n",
      "388  389       John Doe  23.0      NaN          80000 2020-01-15        Sales   \n",
      "389  390       John Doe  30.0        M  Not Disclosed 2023-03-22           IT   \n",
      "390  391       John Doe  23.0        F          45000        NaT           HR   \n",
      "391  392   Mary Johnson  40.0   Female          80000 2021-06-01           IT   \n",
      "392  393  Invalid#Name!  19.0  Unknown  Not Disclosed 2021-06-01  InvalidDept   \n",
      "393  394     Anna Davis   NaN      NaN          80000 2020-01-15           HR   \n",
      "394  395     Jane Smith  23.0   Female          72000 2020-01-15      Finance   \n",
      "395  396     Jane Smith  40.0     Male          45000 2021-06-01        Sales   \n",
      "396  397   Mary Johnson  40.0     Male          72000 2023-03-22           IT   \n",
      "397  398     Jane Smith  19.0        F          45000 2023-03-22           HR   \n",
      "398  399       John Doe  30.0        M          55000        NaT  InvalidDept   \n",
      "399  400     Anna Davis  40.0        F  Not Disclosed 2023-03-22           HR   \n",
      "\n",
      "    Feedback Score  \n",
      "0              NaN  \n",
      "1                5  \n",
      "2    Not Available  \n",
      "3                3  \n",
      "4                4  \n",
      "5    Not Available  \n",
      "6                3  \n",
      "7                2  \n",
      "8                1  \n",
      "9              NaN  \n",
      "10               5  \n",
      "11               5  \n",
      "12               1  \n",
      "13             NaN  \n",
      "14               1  \n",
      "15               2  \n",
      "16               3  \n",
      "17   Not Available  \n",
      "18               5  \n",
      "19               2  \n",
      "20               3  \n",
      "21               2  \n",
      "22             NaN  \n",
      "23               5  \n",
      "24   Not Available  \n",
      "25               1  \n",
      "26               1  \n",
      "27               3  \n",
      "28   Not Available  \n",
      "29               4  \n",
      "30             NaN  \n",
      "31               3  \n",
      "32               4  \n",
      "33               2  \n",
      "34             NaN  \n",
      "35               2  \n",
      "36   Not Available  \n",
      "37               5  \n",
      "38             NaN  \n",
      "39               4  \n",
      "40               5  \n",
      "41               1  \n",
      "42               4  \n",
      "43               3  \n",
      "44               1  \n",
      "45               1  \n",
      "46               3  \n",
      "47             NaN  \n",
      "48               1  \n",
      "49   Not Available  \n",
      "50               4  \n",
      "51               5  \n",
      "52               1  \n",
      "53               4  \n",
      "54               2  \n",
      "55               4  \n",
      "56               5  \n",
      "57               4  \n",
      "58               3  \n",
      "59               5  \n",
      "60             NaN  \n",
      "61               2  \n",
      "62               3  \n",
      "63             NaN  \n",
      "64               4  \n",
      "65               5  \n",
      "66               2  \n",
      "67               3  \n",
      "68             NaN  \n",
      "69             NaN  \n",
      "70               2  \n",
      "71   Not Available  \n",
      "72               4  \n",
      "73               2  \n",
      "74             NaN  \n",
      "75               1  \n",
      "76               3  \n",
      "77               2  \n",
      "78   Not Available  \n",
      "79             NaN  \n",
      "80               4  \n",
      "81             NaN  \n",
      "82               4  \n",
      "83               2  \n",
      "84               4  \n",
      "85               5  \n",
      "86               5  \n",
      "87               5  \n",
      "88   Not Available  \n",
      "89   Not Available  \n",
      "90               1  \n",
      "91   Not Available  \n",
      "92               2  \n",
      "93             NaN  \n",
      "94             NaN  \n",
      "95               1  \n",
      "96   Not Available  \n",
      "97               4  \n",
      "98               1  \n",
      "99               4  \n",
      "100              4  \n",
      "101              3  \n",
      "102            NaN  \n",
      "103              5  \n",
      "104  Not Available  \n",
      "105              4  \n",
      "106              3  \n",
      "107            NaN  \n",
      "108              5  \n",
      "109              4  \n",
      "110              4  \n",
      "111              1  \n",
      "112              1  \n",
      "113            NaN  \n",
      "114              5  \n",
      "115              4  \n",
      "116            NaN  \n",
      "117            NaN  \n",
      "118              2  \n",
      "119  Not Available  \n",
      "120              1  \n",
      "121              5  \n",
      "122              4  \n",
      "123            NaN  \n",
      "124              4  \n",
      "125              2  \n",
      "126              5  \n",
      "127            NaN  \n",
      "128              4  \n",
      "129              1  \n",
      "130  Not Available  \n",
      "131              2  \n",
      "132              5  \n",
      "133              2  \n",
      "134              1  \n",
      "135              5  \n",
      "136              2  \n",
      "137              3  \n",
      "138              1  \n",
      "139              1  \n",
      "140              1  \n",
      "141              3  \n",
      "142              3  \n",
      "143              4  \n",
      "144            NaN  \n",
      "145  Not Available  \n",
      "146              2  \n",
      "147              4  \n",
      "148              2  \n",
      "149  Not Available  \n",
      "150            NaN  \n",
      "151              3  \n",
      "152            NaN  \n",
      "153              3  \n",
      "154  Not Available  \n",
      "155            NaN  \n",
      "156              4  \n",
      "157              5  \n",
      "158              4  \n",
      "159              2  \n",
      "160              4  \n",
      "161  Not Available  \n",
      "162              1  \n",
      "163              2  \n",
      "164            NaN  \n",
      "165              2  \n",
      "166              5  \n",
      "167              3  \n",
      "168            NaN  \n",
      "169              2  \n",
      "170            NaN  \n",
      "171            NaN  \n",
      "172            NaN  \n",
      "173              3  \n",
      "174  Not Available  \n",
      "175              4  \n",
      "176            NaN  \n",
      "177              1  \n",
      "178  Not Available  \n",
      "179              5  \n",
      "180              3  \n",
      "181              2  \n",
      "182              3  \n",
      "183              2  \n",
      "184              3  \n",
      "185              2  \n",
      "186            NaN  \n",
      "187              4  \n",
      "188              2  \n",
      "189              2  \n",
      "190              1  \n",
      "191              2  \n",
      "192              1  \n",
      "193              5  \n",
      "194            NaN  \n",
      "195              1  \n",
      "196              4  \n",
      "197  Not Available  \n",
      "198            NaN  \n",
      "199              1  \n",
      "200            NaN  \n",
      "201            NaN  \n",
      "202            NaN  \n",
      "203              5  \n",
      "204              4  \n",
      "205              3  \n",
      "206              3  \n",
      "207              1  \n",
      "208            NaN  \n",
      "209              1  \n",
      "210              5  \n",
      "211              5  \n",
      "212              2  \n",
      "213              5  \n",
      "214              2  \n",
      "215              4  \n",
      "216              1  \n",
      "217  Not Available  \n",
      "218              4  \n",
      "219              5  \n",
      "220              4  \n",
      "221              4  \n",
      "222              4  \n",
      "223              5  \n",
      "224  Not Available  \n",
      "225            NaN  \n",
      "226              4  \n",
      "227              2  \n",
      "228              5  \n",
      "229              4  \n",
      "230  Not Available  \n",
      "231            NaN  \n",
      "232              5  \n",
      "233              3  \n",
      "234            NaN  \n",
      "235              2  \n",
      "236              4  \n",
      "237  Not Available  \n",
      "238              3  \n",
      "239  Not Available  \n",
      "240              3  \n",
      "241              5  \n",
      "242              3  \n",
      "243              2  \n",
      "244              2  \n",
      "245              1  \n",
      "246              2  \n",
      "247            NaN  \n",
      "248              3  \n",
      "249              2  \n",
      "250              5  \n",
      "251  Not Available  \n",
      "252  Not Available  \n",
      "253              1  \n",
      "254  Not Available  \n",
      "255              3  \n",
      "256              1  \n",
      "257              3  \n",
      "258              5  \n",
      "259              1  \n",
      "260              4  \n",
      "261            NaN  \n",
      "262            NaN  \n",
      "263              3  \n",
      "264  Not Available  \n",
      "265              4  \n",
      "266              1  \n",
      "267              4  \n",
      "268              4  \n",
      "269  Not Available  \n",
      "270              1  \n",
      "271              5  \n",
      "272  Not Available  \n",
      "273              4  \n",
      "274              4  \n",
      "275              5  \n",
      "276              4  \n",
      "277              4  \n",
      "278              4  \n",
      "279            NaN  \n",
      "280  Not Available  \n",
      "281              2  \n",
      "282  Not Available  \n",
      "283              5  \n",
      "284              4  \n",
      "285  Not Available  \n",
      "286            NaN  \n",
      "287              5  \n",
      "288              3  \n",
      "289  Not Available  \n",
      "290              3  \n",
      "291              4  \n",
      "292            NaN  \n",
      "293            NaN  \n",
      "294  Not Available  \n",
      "295              5  \n",
      "296              5  \n",
      "297            NaN  \n",
      "298              5  \n",
      "299            NaN  \n",
      "300  Not Available  \n",
      "301              2  \n",
      "302            NaN  \n",
      "303              3  \n",
      "304              5  \n",
      "305            NaN  \n",
      "306            NaN  \n",
      "307  Not Available  \n",
      "308              5  \n",
      "309              2  \n",
      "310  Not Available  \n",
      "311              2  \n",
      "312  Not Available  \n",
      "313              5  \n",
      "314              1  \n",
      "315              5  \n",
      "316              5  \n",
      "317              2  \n",
      "318              2  \n",
      "319              5  \n",
      "320              5  \n",
      "321              5  \n",
      "322              2  \n",
      "323              5  \n",
      "324              5  \n",
      "325              4  \n",
      "326              1  \n",
      "327              3  \n",
      "328              1  \n",
      "329              4  \n",
      "330              3  \n",
      "331  Not Available  \n",
      "332              5  \n",
      "333              4  \n",
      "334  Not Available  \n",
      "335              5  \n",
      "336              2  \n",
      "337            NaN  \n",
      "338              4  \n",
      "339              2  \n",
      "340              4  \n",
      "341              4  \n",
      "342              2  \n",
      "343              3  \n",
      "344              1  \n",
      "345              5  \n",
      "346              4  \n",
      "347              5  \n",
      "348            NaN  \n",
      "349              2  \n",
      "350              5  \n",
      "351              2  \n",
      "352              5  \n",
      "353              1  \n",
      "354              1  \n",
      "355              1  \n",
      "356              1  \n",
      "357              1  \n",
      "358              1  \n",
      "359              2  \n",
      "360              4  \n",
      "361              5  \n",
      "362              1  \n",
      "363              2  \n",
      "364              2  \n",
      "365              2  \n",
      "366              4  \n",
      "367              5  \n",
      "368              4  \n",
      "369              3  \n",
      "370  Not Available  \n",
      "371              2  \n",
      "372              3  \n",
      "373            NaN  \n",
      "374              1  \n",
      "375  Not Available  \n",
      "376              1  \n",
      "377              4  \n",
      "378  Not Available  \n",
      "379              5  \n",
      "380              3  \n",
      "381              5  \n",
      "382              4  \n",
      "383              1  \n",
      "384  Not Available  \n",
      "385              5  \n",
      "386              5  \n",
      "387              1  \n",
      "388  Not Available  \n",
      "389              3  \n",
      "390              1  \n",
      "391              5  \n",
      "392              3  \n",
      "393              3  \n",
      "394              1  \n",
      "395              5  \n",
      "396              4  \n",
      "397              5  \n",
      "398              2  \n",
      "399  Not Available  \n"
     ]
    }
   ],
   "source": [
    "file_path = '/kaggle/input/data-cleaning-practice/data_cleaning_practice.xlsx'  \n",
    "data = pd.read_excel(file_path)\n",
    "\n",
    "# Drop duplicates\n",
    "data = data.drop_duplicates()\n",
    "\n",
    "# Set display options to show all rows and columns\n",
    "pd.set_option('display.max_rows', None)  # Show all rows\n",
    "pd.set_option('display.max_columns', None)  # Show all columns\n",
    "\n",
    "# Display the entire DataFrame\n",
    "print(data)\n"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "76a6b5ec",
   "metadata": {
    "papermill": {
     "duration": 0.008883,
     "end_time": "2024-10-05T18:11:01.673087",
     "exception": false,
     "start_time": "2024-10-05T18:11:01.664204",
     "status": "completed"
    },
    "tags": []
   },
   "source": [
    "# Handling Missing Values"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "e169db9b",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2024-10-05T18:11:01.691982Z",
     "iopub.status.busy": "2024-10-05T18:11:01.691556Z",
     "iopub.status.idle": "2024-10-05T18:11:01.735253Z",
     "shell.execute_reply": "2024-10-05T18:11:01.734127Z"
    },
    "papermill": {
     "duration": 0.057574,
     "end_time": "2024-10-05T18:11:01.739299",
     "exception": false,
     "start_time": "2024-10-05T18:11:01.681725",
     "status": "completed"
    },
    "tags": []
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "      ID           Name   Age   Gender         Salary  Join Date   Department  \\\n",
      "0      1      Chris Lee  25.0  Unknown          72000 2020-01-15  InvalidDept   \n",
      "1      2     Anna Davis  25.0  Unknown          72000        NaT           HR   \n",
      "2      3   Mary Johnson  23.0  Unknown          72000        NaT  InvalidDept   \n",
      "3      4     Anna Davis  25.0   Female          80000 2023-03-22           IT   \n",
      "4      5     Anna Davis  40.0   Female          80000 2020-01-15           IT   \n",
      "5      6     Jane Smith  25.0        M          55000 2020-01-15      Finance   \n",
      "6      7   Mary Johnson  23.0     Male          45000 2021-06-01  InvalidDept   \n",
      "7      8   Mary Johnson  19.0  Unknown          72000 2020-01-15           HR   \n",
      "8      9   Mary Johnson  19.0      NaN          55000        NaT           HR   \n",
      "9     10     Anna Davis  25.0     Male          45000 2020-01-15        Sales   \n",
      "10    11      Chris Lee  30.0      NaN  Not Disclosed 2021-06-01           HR   \n",
      "11    12   Mary Johnson  25.0     Male            NaN 2023-03-22      Finance   \n",
      "12    13  Invalid#Name!  25.0        M          80000 2021-06-01      Finance   \n",
      "13    14     Anna Davis  25.0  Unknown  Not Disclosed 2021-06-01           HR   \n",
      "14    15     Jane Smith  19.0  Unknown          45000 2023-03-22           HR   \n",
      "15    16      Chris Lee  30.0        F  Not Disclosed 2021-06-01        Sales   \n",
      "16    17  Invalid#Name!  23.0      NaN            NaN 2021-06-01           HR   \n",
      "17    18  Invalid#Name!  25.0     Male          45000 2020-01-15        Sales   \n",
      "18    19     Jane Smith  19.0     Male  Not Disclosed 2020-01-15        Sales   \n",
      "19    20      Chris Lee  40.0   Female          80000 2023-03-22           HR   \n",
      "20    21     Anna Davis  19.0        F          80000 2020-01-15           IT   \n",
      "21    22       John Doe  25.0   Female          55000 2020-01-15           IT   \n",
      "22    23      Chris Lee  25.0   Female  Not Disclosed 2021-06-01        Sales   \n",
      "23    24     Jane Smith  19.0   Female          72000        NaT           HR   \n",
      "24    25  Invalid#Name!  23.0      NaN  Not Disclosed 2020-01-15           IT   \n",
      "25    26     Anna Davis  25.0      NaN          45000        NaT           HR   \n",
      "26    27      Chris Lee  25.0        M          45000 2020-01-15           HR   \n",
      "27    28       John Doe  19.0        M  Not Disclosed 2020-01-15           HR   \n",
      "28    29       John Doe  19.0   Female            NaN 2023-03-22  InvalidDept   \n",
      "29    30   Mary Johnson  30.0        F          80000 2023-03-22           HR   \n",
      "30    31   Mary Johnson  25.0     Male          45000 2023-03-22  InvalidDept   \n",
      "31    32     Jane Smith  40.0      NaN          80000        NaT        Sales   \n",
      "32    33      Chris Lee  23.0        F          45000 2021-06-01           IT   \n",
      "33    34      Chris Lee  40.0  Unknown          55000 2020-01-15           IT   \n",
      "34    35  Invalid#Name!  25.0      NaN          72000 2020-01-15           IT   \n",
      "35    36  Invalid#Name!  25.0      NaN          45000 2020-01-15           IT   \n",
      "36    37  Invalid#Name!  25.0        M          80000        NaT           IT   \n",
      "37    38   Mary Johnson  40.0     Male          55000 2023-03-22           IT   \n",
      "38    39      Chris Lee  25.0     Male          45000 2021-06-01           IT   \n",
      "39    40      Chris Lee  19.0  Unknown            NaN        NaT        Sales   \n",
      "40    41       John Doe  40.0  Unknown          72000 2023-03-22           HR   \n",
      "41    42   Mary Johnson  25.0      NaN          45000        NaT      Finance   \n",
      "42    43     Anna Davis  19.0   Female          55000 2021-06-01  InvalidDept   \n",
      "43    44   Mary Johnson  30.0        M            NaN 2023-03-22      Finance   \n",
      "44    45     Anna Davis  25.0        M  Not Disclosed        NaT      Finance   \n",
      "45    46       John Doe  40.0      NaN          55000 2021-06-01           HR   \n",
      "46    47     Jane Smith  25.0        F          55000 2020-01-15           HR   \n",
      "47    48      Chris Lee  25.0   Female            NaN 2021-06-01           HR   \n",
      "48    49       John Doe  25.0      NaN          55000 2020-01-15           IT   \n",
      "49    50      Chris Lee  19.0   Female            NaN        NaT        Sales   \n",
      "50    51  Invalid#Name!  30.0   Female          45000 2023-03-22           IT   \n",
      "51    52     Jane Smith  23.0   Female            NaN 2023-03-22        Sales   \n",
      "52    53     Jane Smith  30.0      NaN            NaN        NaT        Sales   \n",
      "53    54       John Doe  25.0        M          72000 2023-03-22      Finance   \n",
      "54    55     Jane Smith  25.0        M            NaN 2023-03-22      Finance   \n",
      "55    56     Anna Davis  25.0   Female            NaN 2020-01-15        Sales   \n",
      "56    57     Jane Smith  40.0        F  Not Disclosed        NaT        Sales   \n",
      "57    58      Chris Lee  25.0     Male          45000 2021-06-01           IT   \n",
      "58    59      Chris Lee  40.0      NaN          72000 2020-01-15           IT   \n",
      "59    60      Chris Lee  19.0     Male  Not Disclosed        NaT      Finance   \n",
      "60    61      Chris Lee  23.0        F          80000 2020-01-15           HR   \n",
      "61    62     Anna Davis  25.0      NaN          45000 2021-06-01        Sales   \n",
      "62    63   Mary Johnson  40.0   Female          45000 2021-06-01           IT   \n",
      "63    64  Invalid#Name!  23.0        M          80000        NaT      Finance   \n",
      "64    65       John Doe  25.0     Male            NaN 2021-06-01           IT   \n",
      "65    66      Chris Lee  25.0  Unknown  Not Disclosed 2020-01-15        Sales   \n",
      "66    67     Jane Smith  23.0  Unknown          55000 2021-06-01        Sales   \n",
      "67    68      Chris Lee  25.0        F          72000 2020-01-15  InvalidDept   \n",
      "68    69     Jane Smith  19.0   Female          55000 2020-01-15           HR   \n",
      "69    70  Invalid#Name!  19.0     Male          80000 2021-06-01  InvalidDept   \n",
      "70    71  Invalid#Name!  23.0   Female          45000        NaT      Finance   \n",
      "71    72  Invalid#Name!  40.0     Male          45000 2023-03-22           IT   \n",
      "72    73     Jane Smith  40.0        F          72000 2021-06-01      Finance   \n",
      "73    74      Chris Lee  23.0        F          45000 2020-01-15        Sales   \n",
      "74    75  Invalid#Name!  40.0  Unknown          45000 2020-01-15  InvalidDept   \n",
      "75    76     Anna Davis  40.0   Female          72000 2021-06-01  InvalidDept   \n",
      "76    77     Jane Smith  19.0      NaN  Not Disclosed        NaT  InvalidDept   \n",
      "77    78     Jane Smith  40.0  Unknown  Not Disclosed        NaT      Finance   \n",
      "78    79      Chris Lee  30.0   Female          72000 2020-01-15        Sales   \n",
      "79    80     Jane Smith  25.0  Unknown          80000 2020-01-15           IT   \n",
      "80    81     Jane Smith  25.0      NaN          45000        NaT           IT   \n",
      "81    82  Invalid#Name!  30.0        M          45000 2023-03-22      Finance   \n",
      "82    83      Chris Lee  40.0        M          80000 2021-06-01  InvalidDept   \n",
      "83    84  Invalid#Name!  19.0        M  Not Disclosed 2020-01-15           HR   \n",
      "84    85  Invalid#Name!  23.0        M            NaN 2020-01-15      Finance   \n",
      "85    86      Chris Lee  40.0     Male            NaN        NaT      Finance   \n",
      "86    87       John Doe  19.0        M            NaN 2021-06-01        Sales   \n",
      "87    88  Invalid#Name!  25.0      NaN  Not Disclosed        NaT           IT   \n",
      "88    89     Anna Davis  40.0        F  Not Disclosed 2021-06-01      Finance   \n",
      "89    90     Anna Davis  23.0        F          80000 2021-06-01      Finance   \n",
      "90    91     Jane Smith  19.0     Male          45000 2021-06-01  InvalidDept   \n",
      "91    92     Anna Davis  19.0        M          80000 2020-01-15  InvalidDept   \n",
      "92    93     Jane Smith  19.0        M          80000 2023-03-22           HR   \n",
      "93    94       John Doe  25.0        M  Not Disclosed        NaT        Sales   \n",
      "94    95      Chris Lee  40.0  Unknown            NaN 2023-03-22           HR   \n",
      "95    96      Chris Lee  25.0   Female          55000        NaT  InvalidDept   \n",
      "96    97      Chris Lee  25.0  Unknown          45000 2021-06-01           IT   \n",
      "97    98     Anna Davis  25.0   Female  Not Disclosed 2020-01-15  InvalidDept   \n",
      "98    99       John Doe  40.0        M            NaN 2023-03-22        Sales   \n",
      "99   100     Anna Davis  25.0        M          55000 2020-01-15  InvalidDept   \n",
      "100  101     Anna Davis  23.0  Unknown          55000        NaT        Sales   \n",
      "101  102       John Doe  19.0  Unknown  Not Disclosed 2020-01-15        Sales   \n",
      "102  103       John Doe  19.0   Female          72000 2020-01-15        Sales   \n",
      "103  104       John Doe  40.0        F          45000 2023-03-22        Sales   \n",
      "104  105       John Doe  25.0   Female          55000 2021-06-01        Sales   \n",
      "105  106      Chris Lee  25.0  Unknown  Not Disclosed 2020-01-15           IT   \n",
      "106  107   Mary Johnson  19.0      NaN  Not Disclosed 2021-06-01           HR   \n",
      "107  108   Mary Johnson  40.0  Unknown            NaN        NaT      Finance   \n",
      "108  109       John Doe  25.0      NaN          72000 2020-01-15           HR   \n",
      "109  110   Mary Johnson  25.0     Male          45000 2023-03-22        Sales   \n",
      "110  111   Mary Johnson  25.0  Unknown          80000        NaT           IT   \n",
      "111  112       John Doe  25.0     Male            NaN        NaT  InvalidDept   \n",
      "112  113   Mary Johnson  25.0        F          55000 2023-03-22           IT   \n",
      "113  114     Anna Davis  30.0   Female          55000 2020-01-15        Sales   \n",
      "114  115     Jane Smith  25.0      NaN            NaN 2020-01-15           IT   \n",
      "115  116     Jane Smith  23.0   Female  Not Disclosed        NaT           IT   \n",
      "116  117       John Doe  40.0     Male          55000 2020-01-15        Sales   \n",
      "117  118      Chris Lee  40.0      NaN          72000 2021-06-01           IT   \n",
      "118  119       John Doe  25.0   Female          45000 2023-03-22      Finance   \n",
      "119  120      Chris Lee  25.0  Unknown          72000 2021-06-01      Finance   \n",
      "120  121     Jane Smith  23.0        M          55000 2020-01-15           IT   \n",
      "121  122       John Doe  25.0     Male          80000        NaT  InvalidDept   \n",
      "122  123  Invalid#Name!  30.0   Female          45000 2023-03-22        Sales   \n",
      "123  124     Anna Davis  25.0     Male          45000 2020-01-15      Finance   \n",
      "124  125   Mary Johnson  25.0     Male            NaN 2020-01-15  InvalidDept   \n",
      "125  126      Chris Lee  25.0      NaN            NaN        NaT           IT   \n",
      "126  127  Invalid#Name!  30.0      NaN          80000        NaT  InvalidDept   \n",
      "127  128   Mary Johnson  25.0        M  Not Disclosed 2021-06-01           HR   \n",
      "128  129   Mary Johnson  23.0  Unknown          45000 2023-03-22      Finance   \n",
      "129  130       John Doe  23.0     Male          80000 2023-03-22           IT   \n",
      "130  131   Mary Johnson  40.0   Female            NaN        NaT        Sales   \n",
      "131  132     Anna Davis  30.0        F            NaN 2021-06-01           IT   \n",
      "132  133  Invalid#Name!  30.0     Male          45000 2023-03-22        Sales   \n",
      "133  134   Mary Johnson  40.0     Male          72000        NaT           IT   \n",
      "134  135       John Doe  25.0        M          55000 2020-01-15  InvalidDept   \n",
      "135  136     Anna Davis  30.0  Unknown            NaN 2023-03-22  InvalidDept   \n",
      "136  137     Jane Smith  23.0        F  Not Disclosed 2021-06-01  InvalidDept   \n",
      "137  138  Invalid#Name!  23.0      NaN  Not Disclosed 2021-06-01           HR   \n",
      "138  139   Mary Johnson  25.0      NaN            NaN 2021-06-01        Sales   \n",
      "139  140       John Doe  30.0   Female          72000 2020-01-15  InvalidDept   \n",
      "140  141     Jane Smith  25.0        F          72000 2023-03-22           HR   \n",
      "141  142     Jane Smith  40.0      NaN          80000 2023-03-22        Sales   \n",
      "142  143      Chris Lee  40.0   Female  Not Disclosed 2020-01-15           IT   \n",
      "143  144     Anna Davis  25.0  Unknown          80000 2023-03-22           HR   \n",
      "144  145   Mary Johnson  19.0   Female  Not Disclosed 2020-01-15      Finance   \n",
      "145  146       John Doe  25.0      NaN          55000 2020-01-15           HR   \n",
      "146  147      Chris Lee  40.0        M          55000 2020-01-15           HR   \n",
      "147  148     Anna Davis  30.0        M          45000 2021-06-01        Sales   \n",
      "148  149      Chris Lee  25.0        M          80000 2023-03-22           IT   \n",
      "149  150  Invalid#Name!  30.0      NaN            NaN 2020-01-15      Finance   \n",
      "150  151     Anna Davis  23.0        M          80000 2023-03-22  InvalidDept   \n",
      "151  152     Anna Davis  25.0        F            NaN 2021-06-01  InvalidDept   \n",
      "152  153   Mary Johnson  40.0  Unknown          72000 2020-01-15           HR   \n",
      "153  154     Anna Davis  25.0   Female          80000        NaT        Sales   \n",
      "154  155      Chris Lee  25.0   Female          72000 2021-06-01        Sales   \n",
      "155  156     Anna Davis  25.0      NaN          55000        NaT  InvalidDept   \n",
      "156  157   Mary Johnson  19.0        M          55000 2023-03-22      Finance   \n",
      "157  158   Mary Johnson  25.0        M          45000 2023-03-22           IT   \n",
      "158  159  Invalid#Name!  30.0     Male          80000 2021-06-01      Finance   \n",
      "159  160      Chris Lee  23.0  Unknown          72000 2023-03-22           IT   \n",
      "160  161     Jane Smith  25.0        F            NaN        NaT  InvalidDept   \n",
      "161  162     Jane Smith  25.0   Female          55000 2020-01-15           IT   \n",
      "162  163     Anna Davis  40.0     Male          55000 2020-01-15        Sales   \n",
      "163  164  Invalid#Name!  25.0     Male            NaN 2020-01-15           HR   \n",
      "164  165       John Doe  40.0      NaN          72000 2021-06-01           HR   \n",
      "165  166     Anna Davis  30.0   Female          72000 2023-03-22  InvalidDept   \n",
      "166  167  Invalid#Name!  40.0      NaN          80000        NaT        Sales   \n",
      "167  168      Chris Lee  25.0        F          80000 2023-03-22      Finance   \n",
      "168  169      Chris Lee  23.0     Male  Not Disclosed 2023-03-22        Sales   \n",
      "169  170      Chris Lee  40.0     Male  Not Disclosed 2023-03-22           HR   \n",
      "170  171      Chris Lee  40.0  Unknown          45000 2020-01-15           HR   \n",
      "171  172      Chris Lee  23.0        F          55000        NaT        Sales   \n",
      "172  173  Invalid#Name!  25.0     Male          80000        NaT        Sales   \n",
      "173  174  Invalid#Name!  25.0        F          72000 2023-03-22           HR   \n",
      "174  175   Mary Johnson  40.0   Female            NaN 2020-01-15      Finance   \n",
      "175  176     Jane Smith  23.0        M          72000 2020-01-15  InvalidDept   \n",
      "176  177      Chris Lee  30.0     Male          55000        NaT  InvalidDept   \n",
      "177  178       John Doe  23.0  Unknown  Not Disclosed 2020-01-15        Sales   \n",
      "178  179  Invalid#Name!  30.0   Female          72000 2020-01-15  InvalidDept   \n",
      "179  180       John Doe  25.0        F          45000 2020-01-15           HR   \n",
      "180  181       John Doe  25.0      NaN          55000 2021-06-01           HR   \n",
      "181  182       John Doe  23.0   Female  Not Disclosed 2023-03-22        Sales   \n",
      "182  183   Mary Johnson  19.0     Male            NaN        NaT        Sales   \n",
      "183  184  Invalid#Name!  40.0        F  Not Disclosed        NaT        Sales   \n",
      "184  185       John Doe  25.0        M          45000 2021-06-01      Finance   \n",
      "185  186      Chris Lee  23.0   Female          55000 2023-03-22  InvalidDept   \n",
      "186  187     Anna Davis  40.0     Male            NaN        NaT        Sales   \n",
      "187  188       John Doe  23.0  Unknown          45000 2020-01-15           IT   \n",
      "188  189   Mary Johnson  30.0      NaN  Not Disclosed        NaT           IT   \n",
      "189  190  Invalid#Name!  23.0        F          45000 2020-01-15           HR   \n",
      "190  191   Mary Johnson  19.0   Female          55000 2021-06-01  InvalidDept   \n",
      "191  192       John Doe  23.0   Female          80000 2020-01-15        Sales   \n",
      "192  193  Invalid#Name!  23.0        M          45000        NaT           IT   \n",
      "193  194     Anna Davis  19.0        M          45000        NaT  InvalidDept   \n",
      "194  195       John Doe  25.0  Unknown  Not Disclosed        NaT           HR   \n",
      "195  196   Mary Johnson  23.0      NaN  Not Disclosed 2021-06-01      Finance   \n",
      "196  197     Jane Smith  19.0  Unknown            NaN 2021-06-01  InvalidDept   \n",
      "197  198      Chris Lee  40.0     Male  Not Disclosed 2023-03-22  InvalidDept   \n",
      "198  199   Mary Johnson  30.0     Male          72000        NaT      Finance   \n",
      "199  200  Invalid#Name!  30.0  Unknown          55000 2020-01-15  InvalidDept   \n",
      "200  201       John Doe  23.0      NaN          55000 2021-06-01           HR   \n",
      "201  202      Chris Lee  25.0  Unknown          80000        NaT           HR   \n",
      "202  203       John Doe  25.0      NaN          80000        NaT      Finance   \n",
      "203  204  Invalid#Name!  40.0      NaN          55000 2021-06-01        Sales   \n",
      "204  205       John Doe  23.0        F          80000 2023-03-22           IT   \n",
      "205  206     Jane Smith  30.0      NaN            NaN 2021-06-01        Sales   \n",
      "206  207      Chris Lee  25.0        M  Not Disclosed 2021-06-01  InvalidDept   \n",
      "207  208      Chris Lee  23.0      NaN          55000 2020-01-15           IT   \n",
      "208  209  Invalid#Name!  25.0      NaN          80000 2020-01-15      Finance   \n",
      "209  210     Jane Smith  19.0      NaN          55000 2023-03-22      Finance   \n",
      "210  211   Mary Johnson  25.0     Male          72000        NaT           IT   \n",
      "211  212       John Doe  30.0        M          45000 2021-06-01           HR   \n",
      "212  213     Anna Davis  25.0        M  Not Disclosed 2023-03-22           IT   \n",
      "213  214       John Doe  40.0  Unknown          55000 2020-01-15  InvalidDept   \n",
      "214  215       John Doe  40.0        F          45000 2021-06-01           HR   \n",
      "215  216   Mary Johnson  30.0      NaN          80000        NaT      Finance   \n",
      "216  217       John Doe  25.0   Female          45000 2020-01-15           IT   \n",
      "217  218     Jane Smith  23.0        F  Not Disclosed 2020-01-15        Sales   \n",
      "218  219     Jane Smith  25.0        F          55000 2020-01-15        Sales   \n",
      "219  220      Chris Lee  30.0        M          72000 2023-03-22  InvalidDept   \n",
      "220  221  Invalid#Name!  40.0        F          80000        NaT        Sales   \n",
      "221  222     Anna Davis  25.0      NaN          55000 2021-06-01           IT   \n",
      "222  223       John Doe  40.0      NaN  Not Disclosed 2023-03-22           IT   \n",
      "223  224       John Doe  23.0     Male          80000 2023-03-22        Sales   \n",
      "224  225   Mary Johnson  40.0      NaN            NaN 2023-03-22           IT   \n",
      "225  226  Invalid#Name!  40.0      NaN          45000 2020-01-15  InvalidDept   \n",
      "226  227     Jane Smith  25.0        M  Not Disclosed        NaT           HR   \n",
      "227  228     Anna Davis  25.0      NaN            NaN 2023-03-22  InvalidDept   \n",
      "228  229      Chris Lee  19.0     Male          55000 2021-06-01  InvalidDept   \n",
      "229  230     Jane Smith  25.0   Female          72000        NaT           IT   \n",
      "230  231  Invalid#Name!  40.0        M          80000 2021-06-01           HR   \n",
      "231  232      Chris Lee  30.0   Female          45000        NaT           IT   \n",
      "232  233   Mary Johnson  40.0        M          80000 2021-06-01      Finance   \n",
      "233  234   Mary Johnson  30.0  Unknown          55000 2020-01-15           IT   \n",
      "234  235       John Doe  30.0        F          80000 2023-03-22           IT   \n",
      "235  236  Invalid#Name!  25.0  Unknown          45000 2021-06-01           IT   \n",
      "236  237     Anna Davis  25.0      NaN          55000        NaT           HR   \n",
      "237  238      Chris Lee  23.0   Female          80000 2023-03-22           IT   \n",
      "238  239     Jane Smith  25.0      NaN          72000 2023-03-22           HR   \n",
      "239  240  Invalid#Name!  25.0        F  Not Disclosed        NaT        Sales   \n",
      "240  241  Invalid#Name!  25.0        M          55000 2021-06-01      Finance   \n",
      "241  242   Mary Johnson  23.0        F  Not Disclosed 2020-01-15           HR   \n",
      "242  243       John Doe  40.0     Male          55000 2020-01-15        Sales   \n",
      "243  244       John Doe  19.0        F          72000 2021-06-01           HR   \n",
      "244  245      Chris Lee  19.0     Male  Not Disclosed 2023-03-22           HR   \n",
      "245  246   Mary Johnson  40.0        F            NaN 2023-03-22      Finance   \n",
      "246  247  Invalid#Name!  25.0     Male          45000 2023-03-22  InvalidDept   \n",
      "247  248     Anna Davis  23.0   Female            NaN 2023-03-22  InvalidDept   \n",
      "248  249   Mary Johnson  25.0      NaN          80000 2021-06-01           HR   \n",
      "249  250      Chris Lee  30.0      NaN          72000 2023-03-22           IT   \n",
      "250  251      Chris Lee  25.0  Unknown            NaN        NaT        Sales   \n",
      "251  252   Mary Johnson  25.0      NaN          55000 2023-03-22           IT   \n",
      "252  253      Chris Lee  40.0        M          80000 2020-01-15           IT   \n",
      "253  254   Mary Johnson  40.0        F          80000 2023-03-22           HR   \n",
      "254  255     Jane Smith  40.0  Unknown            NaN 2021-06-01           HR   \n",
      "255  256   Mary Johnson  19.0        M            NaN 2020-01-15           HR   \n",
      "256  257   Mary Johnson  30.0        M          72000 2021-06-01           HR   \n",
      "257  258      Chris Lee  40.0     Male          45000 2021-06-01  InvalidDept   \n",
      "258  259      Chris Lee  23.0      NaN            NaN 2020-01-15           HR   \n",
      "259  260       John Doe  19.0   Female            NaN 2021-06-01  InvalidDept   \n",
      "260  261       John Doe  25.0   Female  Not Disclosed 2021-06-01  InvalidDept   \n",
      "261  262     Jane Smith  23.0  Unknown          55000 2023-03-22           HR   \n",
      "262  263       John Doe  23.0   Female  Not Disclosed        NaT      Finance   \n",
      "263  264   Mary Johnson  40.0        F  Not Disclosed 2021-06-01        Sales   \n",
      "264  265      Chris Lee  25.0   Female          80000 2021-06-01           IT   \n",
      "265  266       John Doe  25.0  Unknown          45000 2021-06-01  InvalidDept   \n",
      "266  267       John Doe  19.0   Female          55000 2023-03-22        Sales   \n",
      "267  268     Jane Smith  25.0        F          72000        NaT      Finance   \n",
      "268  269  Invalid#Name!  30.0     Male          72000 2020-01-15           IT   \n",
      "269  270     Jane Smith  40.0  Unknown            NaN 2023-03-22           IT   \n",
      "270  271   Mary Johnson  25.0     Male            NaN 2023-03-22  InvalidDept   \n",
      "271  272      Chris Lee  19.0     Male          72000        NaT           HR   \n",
      "272  273     Jane Smith  30.0     Male            NaN        NaT      Finance   \n",
      "273  274       John Doe  25.0        M          45000 2023-03-22  InvalidDept   \n",
      "274  275      Chris Lee  25.0      NaN  Not Disclosed 2020-01-15      Finance   \n",
      "275  276      Chris Lee  30.0        M            NaN 2023-03-22           HR   \n",
      "276  277       John Doe  19.0      NaN          80000        NaT           HR   \n",
      "277  278     Jane Smith  30.0     Male            NaN 2020-01-15  InvalidDept   \n",
      "278  279       John Doe  40.0  Unknown          55000        NaT           HR   \n",
      "279  280  Invalid#Name!  40.0      NaN          45000 2020-01-15        Sales   \n",
      "280  281      Chris Lee  25.0        F          55000 2021-06-01           IT   \n",
      "281  282     Anna Davis  25.0        F          55000        NaT  InvalidDept   \n",
      "282  283     Anna Davis  19.0   Female          80000        NaT      Finance   \n",
      "283  284   Mary Johnson  25.0      NaN          45000 2023-03-22        Sales   \n",
      "284  285       John Doe  25.0  Unknown          45000        NaT  InvalidDept   \n",
      "285  286       John Doe  25.0        M          45000        NaT           HR   \n",
      "286  287   Mary Johnson  40.0     Male          45000 2021-06-01           HR   \n",
      "287  288   Mary Johnson  23.0   Female          45000        NaT           HR   \n",
      "288  289   Mary Johnson  23.0        F          80000 2021-06-01           HR   \n",
      "289  290      Chris Lee  30.0        M            NaN 2021-06-01      Finance   \n",
      "290  291  Invalid#Name!  40.0        M          55000 2021-06-01        Sales   \n",
      "291  292       John Doe  25.0     Male          45000 2021-06-01           IT   \n",
      "292  293      Chris Lee  19.0      NaN            NaN 2020-01-15      Finance   \n",
      "293  294   Mary Johnson  23.0        F            NaN 2023-03-22      Finance   \n",
      "294  295       John Doe  25.0  Unknown          55000 2020-01-15           IT   \n",
      "295  296      Chris Lee  23.0        M          80000        NaT           IT   \n",
      "296  297  Invalid#Name!  23.0     Male          72000 2020-01-15           HR   \n",
      "297  298      Chris Lee  23.0  Unknown          72000 2020-01-15      Finance   \n",
      "298  299  Invalid#Name!  19.0      NaN            NaN        NaT  InvalidDept   \n",
      "299  300   Mary Johnson  40.0        F  Not Disclosed        NaT           IT   \n",
      "300  301  Invalid#Name!  19.0      NaN  Not Disclosed        NaT           IT   \n",
      "301  302       John Doe  25.0        M          55000 2020-01-15        Sales   \n",
      "302  303   Mary Johnson  25.0  Unknown          72000 2020-01-15  InvalidDept   \n",
      "303  304       John Doe  40.0  Unknown            NaN        NaT  InvalidDept   \n",
      "304  305     Anna Davis  40.0  Unknown          80000 2023-03-22           IT   \n",
      "305  306     Jane Smith  40.0        M          72000 2023-03-22           HR   \n",
      "306  307  Invalid#Name!  40.0        M            NaN 2021-06-01        Sales   \n",
      "307  308     Jane Smith  19.0      NaN            NaN        NaT  InvalidDept   \n",
      "308  309     Jane Smith  40.0   Female          45000 2021-06-01           IT   \n",
      "309  310  Invalid#Name!  30.0      NaN          80000 2023-03-22  InvalidDept   \n",
      "310  311   Mary Johnson  25.0        F          45000 2021-06-01        Sales   \n",
      "311  312     Anna Davis  40.0     Male          55000        NaT        Sales   \n",
      "312  313       John Doe  25.0  Unknown          45000        NaT      Finance   \n",
      "313  314      Chris Lee  30.0   Female          45000        NaT           IT   \n",
      "314  315       John Doe  30.0     Male          72000 2020-01-15        Sales   \n",
      "315  316      Chris Lee  25.0   Female  Not Disclosed 2021-06-01      Finance   \n",
      "316  317       John Doe  23.0      NaN            NaN 2023-03-22      Finance   \n",
      "317  318  Invalid#Name!  25.0        M          80000 2023-03-22  InvalidDept   \n",
      "318  319     Anna Davis  23.0  Unknown          45000 2023-03-22  InvalidDept   \n",
      "319  320      Chris Lee  23.0      NaN          80000 2020-01-15      Finance   \n",
      "320  321   Mary Johnson  19.0     Male  Not Disclosed 2020-01-15  InvalidDept   \n",
      "321  322       John Doe  23.0     Male  Not Disclosed        NaT        Sales   \n",
      "322  323       John Doe  40.0     Male          45000 2023-03-22           HR   \n",
      "323  324      Chris Lee  19.0     Male          55000 2020-01-15        Sales   \n",
      "324  325   Mary Johnson  19.0     Male          45000        NaT      Finance   \n",
      "325  326   Mary Johnson  30.0   Female          72000 2023-03-22      Finance   \n",
      "326  327  Invalid#Name!  23.0      NaN            NaN 2021-06-01        Sales   \n",
      "327  328  Invalid#Name!  30.0  Unknown          55000        NaT  InvalidDept   \n",
      "328  329  Invalid#Name!  25.0        M          45000 2020-01-15  InvalidDept   \n",
      "329  330  Invalid#Name!  25.0        M          80000 2020-01-15      Finance   \n",
      "330  331  Invalid#Name!  19.0      NaN          55000        NaT           IT   \n",
      "331  332  Invalid#Name!  25.0      NaN          55000        NaT  InvalidDept   \n",
      "332  333     Anna Davis  25.0        M          45000 2020-01-15        Sales   \n",
      "333  334   Mary Johnson  40.0        M          55000 2021-06-01  InvalidDept   \n",
      "334  335  Invalid#Name!  25.0   Female          80000 2023-03-22        Sales   \n",
      "335  336   Mary Johnson  25.0        F  Not Disclosed 2021-06-01      Finance   \n",
      "336  337   Mary Johnson  25.0  Unknown          55000        NaT  InvalidDept   \n",
      "337  338     Jane Smith  25.0     Male  Not Disclosed 2021-06-01        Sales   \n",
      "338  339     Anna Davis  25.0        F          80000 2020-01-15      Finance   \n",
      "339  340  Invalid#Name!  25.0      NaN          45000        NaT           IT   \n",
      "340  341       John Doe  25.0        M            NaN 2023-03-22        Sales   \n",
      "341  342      Chris Lee  25.0        F          55000 2020-01-15           IT   \n",
      "342  343       John Doe  25.0  Unknown            NaN 2020-01-15           IT   \n",
      "343  344     Anna Davis  40.0      NaN          80000 2023-03-22           HR   \n",
      "344  345      Chris Lee  23.0     Male          55000 2023-03-22  InvalidDept   \n",
      "345  346     Anna Davis  25.0     Male  Not Disclosed 2021-06-01        Sales   \n",
      "346  347   Mary Johnson  30.0  Unknown          72000        NaT           IT   \n",
      "347  348      Chris Lee  19.0  Unknown            NaN 2023-03-22           HR   \n",
      "348  349   Mary Johnson  23.0        M          55000 2023-03-22      Finance   \n",
      "349  350       John Doe  23.0     Male            NaN        NaT        Sales   \n",
      "350  351       John Doe  23.0      NaN          55000 2023-03-22           IT   \n",
      "351  352      Chris Lee  40.0        F          45000 2023-03-22  InvalidDept   \n",
      "352  353      Chris Lee  25.0      NaN  Not Disclosed 2021-06-01           HR   \n",
      "353  354  Invalid#Name!  40.0   Female            NaN 2020-01-15           IT   \n",
      "354  355     Anna Davis  25.0   Female          72000 2020-01-15  InvalidDept   \n",
      "355  356  Invalid#Name!  40.0  Unknown          72000 2020-01-15           IT   \n",
      "356  357     Anna Davis  40.0        M          80000 2020-01-15        Sales   \n",
      "357  358  Invalid#Name!  19.0   Female          55000 2023-03-22        Sales   \n",
      "358  359   Mary Johnson  30.0     Male            NaN        NaT        Sales   \n",
      "359  360      Chris Lee  40.0      NaN          80000        NaT           HR   \n",
      "360  361       John Doe  19.0      NaN            NaN 2021-06-01        Sales   \n",
      "361  362     Anna Davis  25.0  Unknown          55000 2021-06-01  InvalidDept   \n",
      "362  363     Anna Davis  30.0        F          72000 2023-03-22           IT   \n",
      "363  364       John Doe  40.0  Unknown          45000        NaT      Finance   \n",
      "364  365  Invalid#Name!  23.0        F          72000        NaT  InvalidDept   \n",
      "365  366     Anna Davis  25.0  Unknown          80000 2020-01-15  InvalidDept   \n",
      "366  367   Mary Johnson  25.0  Unknown  Not Disclosed 2023-03-22        Sales   \n",
      "367  368      Chris Lee  19.0  Unknown          45000 2023-03-22           HR   \n",
      "368  369       John Doe  25.0        F          80000 2020-01-15           IT   \n",
      "369  370      Chris Lee  30.0        F          55000 2023-03-22           HR   \n",
      "370  371     Anna Davis  40.0  Unknown          45000 2023-03-22           IT   \n",
      "371  372     Anna Davis  40.0   Female          80000 2021-06-01           IT   \n",
      "372  373       John Doe  23.0        M          55000        NaT           HR   \n",
      "373  374   Mary Johnson  19.0        M          72000 2023-03-22  InvalidDept   \n",
      "374  375     Jane Smith  23.0        M  Not Disclosed 2021-06-01           IT   \n",
      "375  376       John Doe  25.0        F          55000        NaT           HR   \n",
      "376  377     Jane Smith  23.0        F            NaN 2020-01-15           IT   \n",
      "377  378  Invalid#Name!  30.0   Female          55000 2021-06-01      Finance   \n",
      "378  379     Jane Smith  40.0        M          55000 2021-06-01  InvalidDept   \n",
      "379  380   Mary Johnson  25.0        M  Not Disclosed        NaT        Sales   \n",
      "380  381  Invalid#Name!  23.0  Unknown            NaN 2020-01-15           IT   \n",
      "381  382     Jane Smith  19.0        F          80000 2021-06-01      Finance   \n",
      "382  383  Invalid#Name!  30.0        M          80000 2023-03-22        Sales   \n",
      "383  384     Jane Smith  30.0      NaN          55000 2023-03-22        Sales   \n",
      "384  385   Mary Johnson  23.0   Female            NaN 2023-03-22           IT   \n",
      "385  386     Jane Smith  40.0      NaN            NaN 2020-01-15           HR   \n",
      "386  387     Jane Smith  23.0      NaN  Not Disclosed 2021-06-01           IT   \n",
      "387  388     Jane Smith  25.0   Female          72000 2023-03-22      Finance   \n",
      "388  389       John Doe  23.0      NaN          80000 2020-01-15        Sales   \n",
      "389  390       John Doe  30.0        M  Not Disclosed 2023-03-22           IT   \n",
      "390  391       John Doe  23.0        F          45000        NaT           HR   \n",
      "391  392   Mary Johnson  40.0   Female          80000 2021-06-01           IT   \n",
      "392  393  Invalid#Name!  19.0  Unknown  Not Disclosed 2021-06-01  InvalidDept   \n",
      "393  394     Anna Davis  25.0      NaN          80000 2020-01-15           HR   \n",
      "394  395     Jane Smith  23.0   Female          72000 2020-01-15      Finance   \n",
      "395  396     Jane Smith  40.0     Male          45000 2021-06-01        Sales   \n",
      "396  397   Mary Johnson  40.0     Male          72000 2023-03-22           IT   \n",
      "397  398     Jane Smith  19.0        F          45000 2023-03-22           HR   \n",
      "398  399       John Doe  30.0        M          55000        NaT  InvalidDept   \n",
      "399  400     Anna Davis  40.0        F  Not Disclosed 2023-03-22           HR   \n",
      "\n",
      "    Feedback Score  \n",
      "0              NaN  \n",
      "1                5  \n",
      "2    Not Available  \n",
      "3                3  \n",
      "4                4  \n",
      "5    Not Available  \n",
      "6                3  \n",
      "7                2  \n",
      "8                1  \n",
      "9              NaN  \n",
      "10               5  \n",
      "11               5  \n",
      "12               1  \n",
      "13             NaN  \n",
      "14               1  \n",
      "15               2  \n",
      "16               3  \n",
      "17   Not Available  \n",
      "18               5  \n",
      "19               2  \n",
      "20               3  \n",
      "21               2  \n",
      "22             NaN  \n",
      "23               5  \n",
      "24   Not Available  \n",
      "25               1  \n",
      "26               1  \n",
      "27               3  \n",
      "28   Not Available  \n",
      "29               4  \n",
      "30             NaN  \n",
      "31               3  \n",
      "32               4  \n",
      "33               2  \n",
      "34             NaN  \n",
      "35               2  \n",
      "36   Not Available  \n",
      "37               5  \n",
      "38             NaN  \n",
      "39               4  \n",
      "40               5  \n",
      "41               1  \n",
      "42               4  \n",
      "43               3  \n",
      "44               1  \n",
      "45               1  \n",
      "46               3  \n",
      "47             NaN  \n",
      "48               1  \n",
      "49   Not Available  \n",
      "50               4  \n",
      "51               5  \n",
      "52               1  \n",
      "53               4  \n",
      "54               2  \n",
      "55               4  \n",
      "56               5  \n",
      "57               4  \n",
      "58               3  \n",
      "59               5  \n",
      "60             NaN  \n",
      "61               2  \n",
      "62               3  \n",
      "63             NaN  \n",
      "64               4  \n",
      "65               5  \n",
      "66               2  \n",
      "67               3  \n",
      "68             NaN  \n",
      "69             NaN  \n",
      "70               2  \n",
      "71   Not Available  \n",
      "72               4  \n",
      "73               2  \n",
      "74             NaN  \n",
      "75               1  \n",
      "76               3  \n",
      "77               2  \n",
      "78   Not Available  \n",
      "79             NaN  \n",
      "80               4  \n",
      "81             NaN  \n",
      "82               4  \n",
      "83               2  \n",
      "84               4  \n",
      "85               5  \n",
      "86               5  \n",
      "87               5  \n",
      "88   Not Available  \n",
      "89   Not Available  \n",
      "90               1  \n",
      "91   Not Available  \n",
      "92               2  \n",
      "93             NaN  \n",
      "94             NaN  \n",
      "95               1  \n",
      "96   Not Available  \n",
      "97               4  \n",
      "98               1  \n",
      "99               4  \n",
      "100              4  \n",
      "101              3  \n",
      "102            NaN  \n",
      "103              5  \n",
      "104  Not Available  \n",
      "105              4  \n",
      "106              3  \n",
      "107            NaN  \n",
      "108              5  \n",
      "109              4  \n",
      "110              4  \n",
      "111              1  \n",
      "112              1  \n",
      "113            NaN  \n",
      "114              5  \n",
      "115              4  \n",
      "116            NaN  \n",
      "117            NaN  \n",
      "118              2  \n",
      "119  Not Available  \n",
      "120              1  \n",
      "121              5  \n",
      "122              4  \n",
      "123            NaN  \n",
      "124              4  \n",
      "125              2  \n",
      "126              5  \n",
      "127            NaN  \n",
      "128              4  \n",
      "129              1  \n",
      "130  Not Available  \n",
      "131              2  \n",
      "132              5  \n",
      "133              2  \n",
      "134              1  \n",
      "135              5  \n",
      "136              2  \n",
      "137              3  \n",
      "138              1  \n",
      "139              1  \n",
      "140              1  \n",
      "141              3  \n",
      "142              3  \n",
      "143              4  \n",
      "144            NaN  \n",
      "145  Not Available  \n",
      "146              2  \n",
      "147              4  \n",
      "148              2  \n",
      "149  Not Available  \n",
      "150            NaN  \n",
      "151              3  \n",
      "152            NaN  \n",
      "153              3  \n",
      "154  Not Available  \n",
      "155            NaN  \n",
      "156              4  \n",
      "157              5  \n",
      "158              4  \n",
      "159              2  \n",
      "160              4  \n",
      "161  Not Available  \n",
      "162              1  \n",
      "163              2  \n",
      "164            NaN  \n",
      "165              2  \n",
      "166              5  \n",
      "167              3  \n",
      "168            NaN  \n",
      "169              2  \n",
      "170            NaN  \n",
      "171            NaN  \n",
      "172            NaN  \n",
      "173              3  \n",
      "174  Not Available  \n",
      "175              4  \n",
      "176            NaN  \n",
      "177              1  \n",
      "178  Not Available  \n",
      "179              5  \n",
      "180              3  \n",
      "181              2  \n",
      "182              3  \n",
      "183              2  \n",
      "184              3  \n",
      "185              2  \n",
      "186            NaN  \n",
      "187              4  \n",
      "188              2  \n",
      "189              2  \n",
      "190              1  \n",
      "191              2  \n",
      "192              1  \n",
      "193              5  \n",
      "194            NaN  \n",
      "195              1  \n",
      "196              4  \n",
      "197  Not Available  \n",
      "198            NaN  \n",
      "199              1  \n",
      "200            NaN  \n",
      "201            NaN  \n",
      "202            NaN  \n",
      "203              5  \n",
      "204              4  \n",
      "205              3  \n",
      "206              3  \n",
      "207              1  \n",
      "208            NaN  \n",
      "209              1  \n",
      "210              5  \n",
      "211              5  \n",
      "212              2  \n",
      "213              5  \n",
      "214              2  \n",
      "215              4  \n",
      "216              1  \n",
      "217  Not Available  \n",
      "218              4  \n",
      "219              5  \n",
      "220              4  \n",
      "221              4  \n",
      "222              4  \n",
      "223              5  \n",
      "224  Not Available  \n",
      "225            NaN  \n",
      "226              4  \n",
      "227              2  \n",
      "228              5  \n",
      "229              4  \n",
      "230  Not Available  \n",
      "231            NaN  \n",
      "232              5  \n",
      "233              3  \n",
      "234            NaN  \n",
      "235              2  \n",
      "236              4  \n",
      "237  Not Available  \n",
      "238              3  \n",
      "239  Not Available  \n",
      "240              3  \n",
      "241              5  \n",
      "242              3  \n",
      "243              2  \n",
      "244              2  \n",
      "245              1  \n",
      "246              2  \n",
      "247            NaN  \n",
      "248              3  \n",
      "249              2  \n",
      "250              5  \n",
      "251  Not Available  \n",
      "252  Not Available  \n",
      "253              1  \n",
      "254  Not Available  \n",
      "255              3  \n",
      "256              1  \n",
      "257              3  \n",
      "258              5  \n",
      "259              1  \n",
      "260              4  \n",
      "261            NaN  \n",
      "262            NaN  \n",
      "263              3  \n",
      "264  Not Available  \n",
      "265              4  \n",
      "266              1  \n",
      "267              4  \n",
      "268              4  \n",
      "269  Not Available  \n",
      "270              1  \n",
      "271              5  \n",
      "272  Not Available  \n",
      "273              4  \n",
      "274              4  \n",
      "275              5  \n",
      "276              4  \n",
      "277              4  \n",
      "278              4  \n",
      "279            NaN  \n",
      "280  Not Available  \n",
      "281              2  \n",
      "282  Not Available  \n",
      "283              5  \n",
      "284              4  \n",
      "285  Not Available  \n",
      "286            NaN  \n",
      "287              5  \n",
      "288              3  \n",
      "289  Not Available  \n",
      "290              3  \n",
      "291              4  \n",
      "292            NaN  \n",
      "293            NaN  \n",
      "294  Not Available  \n",
      "295              5  \n",
      "296              5  \n",
      "297            NaN  \n",
      "298              5  \n",
      "299            NaN  \n",
      "300  Not Available  \n",
      "301              2  \n",
      "302            NaN  \n",
      "303              3  \n",
      "304              5  \n",
      "305            NaN  \n",
      "306            NaN  \n",
      "307  Not Available  \n",
      "308              5  \n",
      "309              2  \n",
      "310  Not Available  \n",
      "311              2  \n",
      "312  Not Available  \n",
      "313              5  \n",
      "314              1  \n",
      "315              5  \n",
      "316              5  \n",
      "317              2  \n",
      "318              2  \n",
      "319              5  \n",
      "320              5  \n",
      "321              5  \n",
      "322              2  \n",
      "323              5  \n",
      "324              5  \n",
      "325              4  \n",
      "326              1  \n",
      "327              3  \n",
      "328              1  \n",
      "329              4  \n",
      "330              3  \n",
      "331  Not Available  \n",
      "332              5  \n",
      "333              4  \n",
      "334  Not Available  \n",
      "335              5  \n",
      "336              2  \n",
      "337            NaN  \n",
      "338              4  \n",
      "339              2  \n",
      "340              4  \n",
      "341              4  \n",
      "342              2  \n",
      "343              3  \n",
      "344              1  \n",
      "345              5  \n",
      "346              4  \n",
      "347              5  \n",
      "348            NaN  \n",
      "349              2  \n",
      "350              5  \n",
      "351              2  \n",
      "352              5  \n",
      "353              1  \n",
      "354              1  \n",
      "355              1  \n",
      "356              1  \n",
      "357              1  \n",
      "358              1  \n",
      "359              2  \n",
      "360              4  \n",
      "361              5  \n",
      "362              1  \n",
      "363              2  \n",
      "364              2  \n",
      "365              2  \n",
      "366              4  \n",
      "367              5  \n",
      "368              4  \n",
      "369              3  \n",
      "370  Not Available  \n",
      "371              2  \n",
      "372              3  \n",
      "373            NaN  \n",
      "374              1  \n",
      "375  Not Available  \n",
      "376              1  \n",
      "377              4  \n",
      "378  Not Available  \n",
      "379              5  \n",
      "380              3  \n",
      "381              5  \n",
      "382              4  \n",
      "383              1  \n",
      "384  Not Available  \n",
      "385              5  \n",
      "386              5  \n",
      "387              1  \n",
      "388  Not Available  \n",
      "389              3  \n",
      "390              1  \n",
      "391              5  \n",
      "392              3  \n",
      "393              3  \n",
      "394              1  \n",
      "395              5  \n",
      "396              4  \n",
      "397              5  \n",
      "398              2  \n",
      "399  Not Available  \n"
     ]
    }
   ],
   "source": [
    "\n",
    "\n",
    "# Fill missing values in 'Age' column with the median value\n",
    "data['Age'] = data['Age'].fillna(data['Age'].median())\n",
    "\n",
    "pd.set_option('display.max_rows', None)  # Show all rows\n",
    "pd.set_option('display.max_columns', None)  # Show all columns\n",
    "\n",
    "# Display the entire DataFrame\n",
    "print(data)\n",
    "\n"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "cd153b41",
   "metadata": {
    "papermill": {
     "duration": 0.009164,
     "end_time": "2024-10-05T18:11:01.759552",
     "exception": false,
     "start_time": "2024-10-05T18:11:01.750388",
     "status": "completed"
    },
    "tags": []
   },
   "source": [
    "# For Gender, fill with the mode"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "9a545b2e",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2024-10-05T18:11:01.780327Z",
     "iopub.status.busy": "2024-10-05T18:11:01.779541Z",
     "iopub.status.idle": "2024-10-05T18:11:01.819841Z",
     "shell.execute_reply": "2024-10-05T18:11:01.818831Z"
    },
    "papermill": {
     "duration": 0.05423,
     "end_time": "2024-10-05T18:11:01.823196",
     "exception": false,
     "start_time": "2024-10-05T18:11:01.768966",
     "status": "completed"
    },
    "tags": []
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "      ID           Name   Age   Gender         Salary  Join Date   Department  \\\n",
      "0      1      Chris Lee  25.0  Unknown          72000 2020-01-15  InvalidDept   \n",
      "1      2     Anna Davis  25.0  Unknown          72000        NaT           HR   \n",
      "2      3   Mary Johnson  23.0  Unknown          72000        NaT  InvalidDept   \n",
      "3      4     Anna Davis  25.0   Female          80000 2023-03-22           IT   \n",
      "4      5     Anna Davis  40.0   Female          80000 2020-01-15           IT   \n",
      "5      6     Jane Smith  25.0        M          55000 2020-01-15      Finance   \n",
      "6      7   Mary Johnson  23.0     Male          45000 2021-06-01  InvalidDept   \n",
      "7      8   Mary Johnson  19.0  Unknown          72000 2020-01-15           HR   \n",
      "8      9   Mary Johnson  19.0        M          55000        NaT           HR   \n",
      "9     10     Anna Davis  25.0     Male          45000 2020-01-15        Sales   \n",
      "10    11      Chris Lee  30.0        M  Not Disclosed 2021-06-01           HR   \n",
      "11    12   Mary Johnson  25.0     Male            NaN 2023-03-22      Finance   \n",
      "12    13  Invalid#Name!  25.0        M          80000 2021-06-01      Finance   \n",
      "13    14     Anna Davis  25.0  Unknown  Not Disclosed 2021-06-01           HR   \n",
      "14    15     Jane Smith  19.0  Unknown          45000 2023-03-22           HR   \n",
      "15    16      Chris Lee  30.0        F  Not Disclosed 2021-06-01        Sales   \n",
      "16    17  Invalid#Name!  23.0        M            NaN 2021-06-01           HR   \n",
      "17    18  Invalid#Name!  25.0     Male          45000 2020-01-15        Sales   \n",
      "18    19     Jane Smith  19.0     Male  Not Disclosed 2020-01-15        Sales   \n",
      "19    20      Chris Lee  40.0   Female          80000 2023-03-22           HR   \n",
      "20    21     Anna Davis  19.0        F          80000 2020-01-15           IT   \n",
      "21    22       John Doe  25.0   Female          55000 2020-01-15           IT   \n",
      "22    23      Chris Lee  25.0   Female  Not Disclosed 2021-06-01        Sales   \n",
      "23    24     Jane Smith  19.0   Female          72000        NaT           HR   \n",
      "24    25  Invalid#Name!  23.0        M  Not Disclosed 2020-01-15           IT   \n",
      "25    26     Anna Davis  25.0        M          45000        NaT           HR   \n",
      "26    27      Chris Lee  25.0        M          45000 2020-01-15           HR   \n",
      "27    28       John Doe  19.0        M  Not Disclosed 2020-01-15           HR   \n",
      "28    29       John Doe  19.0   Female            NaN 2023-03-22  InvalidDept   \n",
      "29    30   Mary Johnson  30.0        F          80000 2023-03-22           HR   \n",
      "30    31   Mary Johnson  25.0     Male          45000 2023-03-22  InvalidDept   \n",
      "31    32     Jane Smith  40.0        M          80000        NaT        Sales   \n",
      "32    33      Chris Lee  23.0        F          45000 2021-06-01           IT   \n",
      "33    34      Chris Lee  40.0  Unknown          55000 2020-01-15           IT   \n",
      "34    35  Invalid#Name!  25.0        M          72000 2020-01-15           IT   \n",
      "35    36  Invalid#Name!  25.0        M          45000 2020-01-15           IT   \n",
      "36    37  Invalid#Name!  25.0        M          80000        NaT           IT   \n",
      "37    38   Mary Johnson  40.0     Male          55000 2023-03-22           IT   \n",
      "38    39      Chris Lee  25.0     Male          45000 2021-06-01           IT   \n",
      "39    40      Chris Lee  19.0  Unknown            NaN        NaT        Sales   \n",
      "40    41       John Doe  40.0  Unknown          72000 2023-03-22           HR   \n",
      "41    42   Mary Johnson  25.0        M          45000        NaT      Finance   \n",
      "42    43     Anna Davis  19.0   Female          55000 2021-06-01  InvalidDept   \n",
      "43    44   Mary Johnson  30.0        M            NaN 2023-03-22      Finance   \n",
      "44    45     Anna Davis  25.0        M  Not Disclosed        NaT      Finance   \n",
      "45    46       John Doe  40.0        M          55000 2021-06-01           HR   \n",
      "46    47     Jane Smith  25.0        F          55000 2020-01-15           HR   \n",
      "47    48      Chris Lee  25.0   Female            NaN 2021-06-01           HR   \n",
      "48    49       John Doe  25.0        M          55000 2020-01-15           IT   \n",
      "49    50      Chris Lee  19.0   Female            NaN        NaT        Sales   \n",
      "50    51  Invalid#Name!  30.0   Female          45000 2023-03-22           IT   \n",
      "51    52     Jane Smith  23.0   Female            NaN 2023-03-22        Sales   \n",
      "52    53     Jane Smith  30.0        M            NaN        NaT        Sales   \n",
      "53    54       John Doe  25.0        M          72000 2023-03-22      Finance   \n",
      "54    55     Jane Smith  25.0        M            NaN 2023-03-22      Finance   \n",
      "55    56     Anna Davis  25.0   Female            NaN 2020-01-15        Sales   \n",
      "56    57     Jane Smith  40.0        F  Not Disclosed        NaT        Sales   \n",
      "57    58      Chris Lee  25.0     Male          45000 2021-06-01           IT   \n",
      "58    59      Chris Lee  40.0        M          72000 2020-01-15           IT   \n",
      "59    60      Chris Lee  19.0     Male  Not Disclosed        NaT      Finance   \n",
      "60    61      Chris Lee  23.0        F          80000 2020-01-15           HR   \n",
      "61    62     Anna Davis  25.0        M          45000 2021-06-01        Sales   \n",
      "62    63   Mary Johnson  40.0   Female          45000 2021-06-01           IT   \n",
      "63    64  Invalid#Name!  23.0        M          80000        NaT      Finance   \n",
      "64    65       John Doe  25.0     Male            NaN 2021-06-01           IT   \n",
      "65    66      Chris Lee  25.0  Unknown  Not Disclosed 2020-01-15        Sales   \n",
      "66    67     Jane Smith  23.0  Unknown          55000 2021-06-01        Sales   \n",
      "67    68      Chris Lee  25.0        F          72000 2020-01-15  InvalidDept   \n",
      "68    69     Jane Smith  19.0   Female          55000 2020-01-15           HR   \n",
      "69    70  Invalid#Name!  19.0     Male          80000 2021-06-01  InvalidDept   \n",
      "70    71  Invalid#Name!  23.0   Female          45000        NaT      Finance   \n",
      "71    72  Invalid#Name!  40.0     Male          45000 2023-03-22           IT   \n",
      "72    73     Jane Smith  40.0        F          72000 2021-06-01      Finance   \n",
      "73    74      Chris Lee  23.0        F          45000 2020-01-15        Sales   \n",
      "74    75  Invalid#Name!  40.0  Unknown          45000 2020-01-15  InvalidDept   \n",
      "75    76     Anna Davis  40.0   Female          72000 2021-06-01  InvalidDept   \n",
      "76    77     Jane Smith  19.0        M  Not Disclosed        NaT  InvalidDept   \n",
      "77    78     Jane Smith  40.0  Unknown  Not Disclosed        NaT      Finance   \n",
      "78    79      Chris Lee  30.0   Female          72000 2020-01-15        Sales   \n",
      "79    80     Jane Smith  25.0  Unknown          80000 2020-01-15           IT   \n",
      "80    81     Jane Smith  25.0        M          45000        NaT           IT   \n",
      "81    82  Invalid#Name!  30.0        M          45000 2023-03-22      Finance   \n",
      "82    83      Chris Lee  40.0        M          80000 2021-06-01  InvalidDept   \n",
      "83    84  Invalid#Name!  19.0        M  Not Disclosed 2020-01-15           HR   \n",
      "84    85  Invalid#Name!  23.0        M            NaN 2020-01-15      Finance   \n",
      "85    86      Chris Lee  40.0     Male            NaN        NaT      Finance   \n",
      "86    87       John Doe  19.0        M            NaN 2021-06-01        Sales   \n",
      "87    88  Invalid#Name!  25.0        M  Not Disclosed        NaT           IT   \n",
      "88    89     Anna Davis  40.0        F  Not Disclosed 2021-06-01      Finance   \n",
      "89    90     Anna Davis  23.0        F          80000 2021-06-01      Finance   \n",
      "90    91     Jane Smith  19.0     Male          45000 2021-06-01  InvalidDept   \n",
      "91    92     Anna Davis  19.0        M          80000 2020-01-15  InvalidDept   \n",
      "92    93     Jane Smith  19.0        M          80000 2023-03-22           HR   \n",
      "93    94       John Doe  25.0        M  Not Disclosed        NaT        Sales   \n",
      "94    95      Chris Lee  40.0  Unknown            NaN 2023-03-22           HR   \n",
      "95    96      Chris Lee  25.0   Female          55000        NaT  InvalidDept   \n",
      "96    97      Chris Lee  25.0  Unknown          45000 2021-06-01           IT   \n",
      "97    98     Anna Davis  25.0   Female  Not Disclosed 2020-01-15  InvalidDept   \n",
      "98    99       John Doe  40.0        M            NaN 2023-03-22        Sales   \n",
      "99   100     Anna Davis  25.0        M          55000 2020-01-15  InvalidDept   \n",
      "100  101     Anna Davis  23.0  Unknown          55000        NaT        Sales   \n",
      "101  102       John Doe  19.0  Unknown  Not Disclosed 2020-01-15        Sales   \n",
      "102  103       John Doe  19.0   Female          72000 2020-01-15        Sales   \n",
      "103  104       John Doe  40.0        F          45000 2023-03-22        Sales   \n",
      "104  105       John Doe  25.0   Female          55000 2021-06-01        Sales   \n",
      "105  106      Chris Lee  25.0  Unknown  Not Disclosed 2020-01-15           IT   \n",
      "106  107   Mary Johnson  19.0        M  Not Disclosed 2021-06-01           HR   \n",
      "107  108   Mary Johnson  40.0  Unknown            NaN        NaT      Finance   \n",
      "108  109       John Doe  25.0        M          72000 2020-01-15           HR   \n",
      "109  110   Mary Johnson  25.0     Male          45000 2023-03-22        Sales   \n",
      "110  111   Mary Johnson  25.0  Unknown          80000        NaT           IT   \n",
      "111  112       John Doe  25.0     Male            NaN        NaT  InvalidDept   \n",
      "112  113   Mary Johnson  25.0        F          55000 2023-03-22           IT   \n",
      "113  114     Anna Davis  30.0   Female          55000 2020-01-15        Sales   \n",
      "114  115     Jane Smith  25.0        M            NaN 2020-01-15           IT   \n",
      "115  116     Jane Smith  23.0   Female  Not Disclosed        NaT           IT   \n",
      "116  117       John Doe  40.0     Male          55000 2020-01-15        Sales   \n",
      "117  118      Chris Lee  40.0        M          72000 2021-06-01           IT   \n",
      "118  119       John Doe  25.0   Female          45000 2023-03-22      Finance   \n",
      "119  120      Chris Lee  25.0  Unknown          72000 2021-06-01      Finance   \n",
      "120  121     Jane Smith  23.0        M          55000 2020-01-15           IT   \n",
      "121  122       John Doe  25.0     Male          80000        NaT  InvalidDept   \n",
      "122  123  Invalid#Name!  30.0   Female          45000 2023-03-22        Sales   \n",
      "123  124     Anna Davis  25.0     Male          45000 2020-01-15      Finance   \n",
      "124  125   Mary Johnson  25.0     Male            NaN 2020-01-15  InvalidDept   \n",
      "125  126      Chris Lee  25.0        M            NaN        NaT           IT   \n",
      "126  127  Invalid#Name!  30.0        M          80000        NaT  InvalidDept   \n",
      "127  128   Mary Johnson  25.0        M  Not Disclosed 2021-06-01           HR   \n",
      "128  129   Mary Johnson  23.0  Unknown          45000 2023-03-22      Finance   \n",
      "129  130       John Doe  23.0     Male          80000 2023-03-22           IT   \n",
      "130  131   Mary Johnson  40.0   Female            NaN        NaT        Sales   \n",
      "131  132     Anna Davis  30.0        F            NaN 2021-06-01           IT   \n",
      "132  133  Invalid#Name!  30.0     Male          45000 2023-03-22        Sales   \n",
      "133  134   Mary Johnson  40.0     Male          72000        NaT           IT   \n",
      "134  135       John Doe  25.0        M          55000 2020-01-15  InvalidDept   \n",
      "135  136     Anna Davis  30.0  Unknown            NaN 2023-03-22  InvalidDept   \n",
      "136  137     Jane Smith  23.0        F  Not Disclosed 2021-06-01  InvalidDept   \n",
      "137  138  Invalid#Name!  23.0        M  Not Disclosed 2021-06-01           HR   \n",
      "138  139   Mary Johnson  25.0        M            NaN 2021-06-01        Sales   \n",
      "139  140       John Doe  30.0   Female          72000 2020-01-15  InvalidDept   \n",
      "140  141     Jane Smith  25.0        F          72000 2023-03-22           HR   \n",
      "141  142     Jane Smith  40.0        M          80000 2023-03-22        Sales   \n",
      "142  143      Chris Lee  40.0   Female  Not Disclosed 2020-01-15           IT   \n",
      "143  144     Anna Davis  25.0  Unknown          80000 2023-03-22           HR   \n",
      "144  145   Mary Johnson  19.0   Female  Not Disclosed 2020-01-15      Finance   \n",
      "145  146       John Doe  25.0        M          55000 2020-01-15           HR   \n",
      "146  147      Chris Lee  40.0        M          55000 2020-01-15           HR   \n",
      "147  148     Anna Davis  30.0        M          45000 2021-06-01        Sales   \n",
      "148  149      Chris Lee  25.0        M          80000 2023-03-22           IT   \n",
      "149  150  Invalid#Name!  30.0        M            NaN 2020-01-15      Finance   \n",
      "150  151     Anna Davis  23.0        M          80000 2023-03-22  InvalidDept   \n",
      "151  152     Anna Davis  25.0        F            NaN 2021-06-01  InvalidDept   \n",
      "152  153   Mary Johnson  40.0  Unknown          72000 2020-01-15           HR   \n",
      "153  154     Anna Davis  25.0   Female          80000        NaT        Sales   \n",
      "154  155      Chris Lee  25.0   Female          72000 2021-06-01        Sales   \n",
      "155  156     Anna Davis  25.0        M          55000        NaT  InvalidDept   \n",
      "156  157   Mary Johnson  19.0        M          55000 2023-03-22      Finance   \n",
      "157  158   Mary Johnson  25.0        M          45000 2023-03-22           IT   \n",
      "158  159  Invalid#Name!  30.0     Male          80000 2021-06-01      Finance   \n",
      "159  160      Chris Lee  23.0  Unknown          72000 2023-03-22           IT   \n",
      "160  161     Jane Smith  25.0        F            NaN        NaT  InvalidDept   \n",
      "161  162     Jane Smith  25.0   Female          55000 2020-01-15           IT   \n",
      "162  163     Anna Davis  40.0     Male          55000 2020-01-15        Sales   \n",
      "163  164  Invalid#Name!  25.0     Male            NaN 2020-01-15           HR   \n",
      "164  165       John Doe  40.0        M          72000 2021-06-01           HR   \n",
      "165  166     Anna Davis  30.0   Female          72000 2023-03-22  InvalidDept   \n",
      "166  167  Invalid#Name!  40.0        M          80000        NaT        Sales   \n",
      "167  168      Chris Lee  25.0        F          80000 2023-03-22      Finance   \n",
      "168  169      Chris Lee  23.0     Male  Not Disclosed 2023-03-22        Sales   \n",
      "169  170      Chris Lee  40.0     Male  Not Disclosed 2023-03-22           HR   \n",
      "170  171      Chris Lee  40.0  Unknown          45000 2020-01-15           HR   \n",
      "171  172      Chris Lee  23.0        F          55000        NaT        Sales   \n",
      "172  173  Invalid#Name!  25.0     Male          80000        NaT        Sales   \n",
      "173  174  Invalid#Name!  25.0        F          72000 2023-03-22           HR   \n",
      "174  175   Mary Johnson  40.0   Female            NaN 2020-01-15      Finance   \n",
      "175  176     Jane Smith  23.0        M          72000 2020-01-15  InvalidDept   \n",
      "176  177      Chris Lee  30.0     Male          55000        NaT  InvalidDept   \n",
      "177  178       John Doe  23.0  Unknown  Not Disclosed 2020-01-15        Sales   \n",
      "178  179  Invalid#Name!  30.0   Female          72000 2020-01-15  InvalidDept   \n",
      "179  180       John Doe  25.0        F          45000 2020-01-15           HR   \n",
      "180  181       John Doe  25.0        M          55000 2021-06-01           HR   \n",
      "181  182       John Doe  23.0   Female  Not Disclosed 2023-03-22        Sales   \n",
      "182  183   Mary Johnson  19.0     Male            NaN        NaT        Sales   \n",
      "183  184  Invalid#Name!  40.0        F  Not Disclosed        NaT        Sales   \n",
      "184  185       John Doe  25.0        M          45000 2021-06-01      Finance   \n",
      "185  186      Chris Lee  23.0   Female          55000 2023-03-22  InvalidDept   \n",
      "186  187     Anna Davis  40.0     Male            NaN        NaT        Sales   \n",
      "187  188       John Doe  23.0  Unknown          45000 2020-01-15           IT   \n",
      "188  189   Mary Johnson  30.0        M  Not Disclosed        NaT           IT   \n",
      "189  190  Invalid#Name!  23.0        F          45000 2020-01-15           HR   \n",
      "190  191   Mary Johnson  19.0   Female          55000 2021-06-01  InvalidDept   \n",
      "191  192       John Doe  23.0   Female          80000 2020-01-15        Sales   \n",
      "192  193  Invalid#Name!  23.0        M          45000        NaT           IT   \n",
      "193  194     Anna Davis  19.0        M          45000        NaT  InvalidDept   \n",
      "194  195       John Doe  25.0  Unknown  Not Disclosed        NaT           HR   \n",
      "195  196   Mary Johnson  23.0        M  Not Disclosed 2021-06-01      Finance   \n",
      "196  197     Jane Smith  19.0  Unknown            NaN 2021-06-01  InvalidDept   \n",
      "197  198      Chris Lee  40.0     Male  Not Disclosed 2023-03-22  InvalidDept   \n",
      "198  199   Mary Johnson  30.0     Male          72000        NaT      Finance   \n",
      "199  200  Invalid#Name!  30.0  Unknown          55000 2020-01-15  InvalidDept   \n",
      "200  201       John Doe  23.0        M          55000 2021-06-01           HR   \n",
      "201  202      Chris Lee  25.0  Unknown          80000        NaT           HR   \n",
      "202  203       John Doe  25.0        M          80000        NaT      Finance   \n",
      "203  204  Invalid#Name!  40.0        M          55000 2021-06-01        Sales   \n",
      "204  205       John Doe  23.0        F          80000 2023-03-22           IT   \n",
      "205  206     Jane Smith  30.0        M            NaN 2021-06-01        Sales   \n",
      "206  207      Chris Lee  25.0        M  Not Disclosed 2021-06-01  InvalidDept   \n",
      "207  208      Chris Lee  23.0        M          55000 2020-01-15           IT   \n",
      "208  209  Invalid#Name!  25.0        M          80000 2020-01-15      Finance   \n",
      "209  210     Jane Smith  19.0        M          55000 2023-03-22      Finance   \n",
      "210  211   Mary Johnson  25.0     Male          72000        NaT           IT   \n",
      "211  212       John Doe  30.0        M          45000 2021-06-01           HR   \n",
      "212  213     Anna Davis  25.0        M  Not Disclosed 2023-03-22           IT   \n",
      "213  214       John Doe  40.0  Unknown          55000 2020-01-15  InvalidDept   \n",
      "214  215       John Doe  40.0        F          45000 2021-06-01           HR   \n",
      "215  216   Mary Johnson  30.0        M          80000        NaT      Finance   \n",
      "216  217       John Doe  25.0   Female          45000 2020-01-15           IT   \n",
      "217  218     Jane Smith  23.0        F  Not Disclosed 2020-01-15        Sales   \n",
      "218  219     Jane Smith  25.0        F          55000 2020-01-15        Sales   \n",
      "219  220      Chris Lee  30.0        M          72000 2023-03-22  InvalidDept   \n",
      "220  221  Invalid#Name!  40.0        F          80000        NaT        Sales   \n",
      "221  222     Anna Davis  25.0        M          55000 2021-06-01           IT   \n",
      "222  223       John Doe  40.0        M  Not Disclosed 2023-03-22           IT   \n",
      "223  224       John Doe  23.0     Male          80000 2023-03-22        Sales   \n",
      "224  225   Mary Johnson  40.0        M            NaN 2023-03-22           IT   \n",
      "225  226  Invalid#Name!  40.0        M          45000 2020-01-15  InvalidDept   \n",
      "226  227     Jane Smith  25.0        M  Not Disclosed        NaT           HR   \n",
      "227  228     Anna Davis  25.0        M            NaN 2023-03-22  InvalidDept   \n",
      "228  229      Chris Lee  19.0     Male          55000 2021-06-01  InvalidDept   \n",
      "229  230     Jane Smith  25.0   Female          72000        NaT           IT   \n",
      "230  231  Invalid#Name!  40.0        M          80000 2021-06-01           HR   \n",
      "231  232      Chris Lee  30.0   Female          45000        NaT           IT   \n",
      "232  233   Mary Johnson  40.0        M          80000 2021-06-01      Finance   \n",
      "233  234   Mary Johnson  30.0  Unknown          55000 2020-01-15           IT   \n",
      "234  235       John Doe  30.0        F          80000 2023-03-22           IT   \n",
      "235  236  Invalid#Name!  25.0  Unknown          45000 2021-06-01           IT   \n",
      "236  237     Anna Davis  25.0        M          55000        NaT           HR   \n",
      "237  238      Chris Lee  23.0   Female          80000 2023-03-22           IT   \n",
      "238  239     Jane Smith  25.0        M          72000 2023-03-22           HR   \n",
      "239  240  Invalid#Name!  25.0        F  Not Disclosed        NaT        Sales   \n",
      "240  241  Invalid#Name!  25.0        M          55000 2021-06-01      Finance   \n",
      "241  242   Mary Johnson  23.0        F  Not Disclosed 2020-01-15           HR   \n",
      "242  243       John Doe  40.0     Male          55000 2020-01-15        Sales   \n",
      "243  244       John Doe  19.0        F          72000 2021-06-01           HR   \n",
      "244  245      Chris Lee  19.0     Male  Not Disclosed 2023-03-22           HR   \n",
      "245  246   Mary Johnson  40.0        F            NaN 2023-03-22      Finance   \n",
      "246  247  Invalid#Name!  25.0     Male          45000 2023-03-22  InvalidDept   \n",
      "247  248     Anna Davis  23.0   Female            NaN 2023-03-22  InvalidDept   \n",
      "248  249   Mary Johnson  25.0        M          80000 2021-06-01           HR   \n",
      "249  250      Chris Lee  30.0        M          72000 2023-03-22           IT   \n",
      "250  251      Chris Lee  25.0  Unknown            NaN        NaT        Sales   \n",
      "251  252   Mary Johnson  25.0        M          55000 2023-03-22           IT   \n",
      "252  253      Chris Lee  40.0        M          80000 2020-01-15           IT   \n",
      "253  254   Mary Johnson  40.0        F          80000 2023-03-22           HR   \n",
      "254  255     Jane Smith  40.0  Unknown            NaN 2021-06-01           HR   \n",
      "255  256   Mary Johnson  19.0        M            NaN 2020-01-15           HR   \n",
      "256  257   Mary Johnson  30.0        M          72000 2021-06-01           HR   \n",
      "257  258      Chris Lee  40.0     Male          45000 2021-06-01  InvalidDept   \n",
      "258  259      Chris Lee  23.0        M            NaN 2020-01-15           HR   \n",
      "259  260       John Doe  19.0   Female            NaN 2021-06-01  InvalidDept   \n",
      "260  261       John Doe  25.0   Female  Not Disclosed 2021-06-01  InvalidDept   \n",
      "261  262     Jane Smith  23.0  Unknown          55000 2023-03-22           HR   \n",
      "262  263       John Doe  23.0   Female  Not Disclosed        NaT      Finance   \n",
      "263  264   Mary Johnson  40.0        F  Not Disclosed 2021-06-01        Sales   \n",
      "264  265      Chris Lee  25.0   Female          80000 2021-06-01           IT   \n",
      "265  266       John Doe  25.0  Unknown          45000 2021-06-01  InvalidDept   \n",
      "266  267       John Doe  19.0   Female          55000 2023-03-22        Sales   \n",
      "267  268     Jane Smith  25.0        F          72000        NaT      Finance   \n",
      "268  269  Invalid#Name!  30.0     Male          72000 2020-01-15           IT   \n",
      "269  270     Jane Smith  40.0  Unknown            NaN 2023-03-22           IT   \n",
      "270  271   Mary Johnson  25.0     Male            NaN 2023-03-22  InvalidDept   \n",
      "271  272      Chris Lee  19.0     Male          72000        NaT           HR   \n",
      "272  273     Jane Smith  30.0     Male            NaN        NaT      Finance   \n",
      "273  274       John Doe  25.0        M          45000 2023-03-22  InvalidDept   \n",
      "274  275      Chris Lee  25.0        M  Not Disclosed 2020-01-15      Finance   \n",
      "275  276      Chris Lee  30.0        M            NaN 2023-03-22           HR   \n",
      "276  277       John Doe  19.0        M          80000        NaT           HR   \n",
      "277  278     Jane Smith  30.0     Male            NaN 2020-01-15  InvalidDept   \n",
      "278  279       John Doe  40.0  Unknown          55000        NaT           HR   \n",
      "279  280  Invalid#Name!  40.0        M          45000 2020-01-15        Sales   \n",
      "280  281      Chris Lee  25.0        F          55000 2021-06-01           IT   \n",
      "281  282     Anna Davis  25.0        F          55000        NaT  InvalidDept   \n",
      "282  283     Anna Davis  19.0   Female          80000        NaT      Finance   \n",
      "283  284   Mary Johnson  25.0        M          45000 2023-03-22        Sales   \n",
      "284  285       John Doe  25.0  Unknown          45000        NaT  InvalidDept   \n",
      "285  286       John Doe  25.0        M          45000        NaT           HR   \n",
      "286  287   Mary Johnson  40.0     Male          45000 2021-06-01           HR   \n",
      "287  288   Mary Johnson  23.0   Female          45000        NaT           HR   \n",
      "288  289   Mary Johnson  23.0        F          80000 2021-06-01           HR   \n",
      "289  290      Chris Lee  30.0        M            NaN 2021-06-01      Finance   \n",
      "290  291  Invalid#Name!  40.0        M          55000 2021-06-01        Sales   \n",
      "291  292       John Doe  25.0     Male          45000 2021-06-01           IT   \n",
      "292  293      Chris Lee  19.0        M            NaN 2020-01-15      Finance   \n",
      "293  294   Mary Johnson  23.0        F            NaN 2023-03-22      Finance   \n",
      "294  295       John Doe  25.0  Unknown          55000 2020-01-15           IT   \n",
      "295  296      Chris Lee  23.0        M          80000        NaT           IT   \n",
      "296  297  Invalid#Name!  23.0     Male          72000 2020-01-15           HR   \n",
      "297  298      Chris Lee  23.0  Unknown          72000 2020-01-15      Finance   \n",
      "298  299  Invalid#Name!  19.0        M            NaN        NaT  InvalidDept   \n",
      "299  300   Mary Johnson  40.0        F  Not Disclosed        NaT           IT   \n",
      "300  301  Invalid#Name!  19.0        M  Not Disclosed        NaT           IT   \n",
      "301  302       John Doe  25.0        M          55000 2020-01-15        Sales   \n",
      "302  303   Mary Johnson  25.0  Unknown          72000 2020-01-15  InvalidDept   \n",
      "303  304       John Doe  40.0  Unknown            NaN        NaT  InvalidDept   \n",
      "304  305     Anna Davis  40.0  Unknown          80000 2023-03-22           IT   \n",
      "305  306     Jane Smith  40.0        M          72000 2023-03-22           HR   \n",
      "306  307  Invalid#Name!  40.0        M            NaN 2021-06-01        Sales   \n",
      "307  308     Jane Smith  19.0        M            NaN        NaT  InvalidDept   \n",
      "308  309     Jane Smith  40.0   Female          45000 2021-06-01           IT   \n",
      "309  310  Invalid#Name!  30.0        M          80000 2023-03-22  InvalidDept   \n",
      "310  311   Mary Johnson  25.0        F          45000 2021-06-01        Sales   \n",
      "311  312     Anna Davis  40.0     Male          55000        NaT        Sales   \n",
      "312  313       John Doe  25.0  Unknown          45000        NaT      Finance   \n",
      "313  314      Chris Lee  30.0   Female          45000        NaT           IT   \n",
      "314  315       John Doe  30.0     Male          72000 2020-01-15        Sales   \n",
      "315  316      Chris Lee  25.0   Female  Not Disclosed 2021-06-01      Finance   \n",
      "316  317       John Doe  23.0        M            NaN 2023-03-22      Finance   \n",
      "317  318  Invalid#Name!  25.0        M          80000 2023-03-22  InvalidDept   \n",
      "318  319     Anna Davis  23.0  Unknown          45000 2023-03-22  InvalidDept   \n",
      "319  320      Chris Lee  23.0        M          80000 2020-01-15      Finance   \n",
      "320  321   Mary Johnson  19.0     Male  Not Disclosed 2020-01-15  InvalidDept   \n",
      "321  322       John Doe  23.0     Male  Not Disclosed        NaT        Sales   \n",
      "322  323       John Doe  40.0     Male          45000 2023-03-22           HR   \n",
      "323  324      Chris Lee  19.0     Male          55000 2020-01-15        Sales   \n",
      "324  325   Mary Johnson  19.0     Male          45000        NaT      Finance   \n",
      "325  326   Mary Johnson  30.0   Female          72000 2023-03-22      Finance   \n",
      "326  327  Invalid#Name!  23.0        M            NaN 2021-06-01        Sales   \n",
      "327  328  Invalid#Name!  30.0  Unknown          55000        NaT  InvalidDept   \n",
      "328  329  Invalid#Name!  25.0        M          45000 2020-01-15  InvalidDept   \n",
      "329  330  Invalid#Name!  25.0        M          80000 2020-01-15      Finance   \n",
      "330  331  Invalid#Name!  19.0        M          55000        NaT           IT   \n",
      "331  332  Invalid#Name!  25.0        M          55000        NaT  InvalidDept   \n",
      "332  333     Anna Davis  25.0        M          45000 2020-01-15        Sales   \n",
      "333  334   Mary Johnson  40.0        M          55000 2021-06-01  InvalidDept   \n",
      "334  335  Invalid#Name!  25.0   Female          80000 2023-03-22        Sales   \n",
      "335  336   Mary Johnson  25.0        F  Not Disclosed 2021-06-01      Finance   \n",
      "336  337   Mary Johnson  25.0  Unknown          55000        NaT  InvalidDept   \n",
      "337  338     Jane Smith  25.0     Male  Not Disclosed 2021-06-01        Sales   \n",
      "338  339     Anna Davis  25.0        F          80000 2020-01-15      Finance   \n",
      "339  340  Invalid#Name!  25.0        M          45000        NaT           IT   \n",
      "340  341       John Doe  25.0        M            NaN 2023-03-22        Sales   \n",
      "341  342      Chris Lee  25.0        F          55000 2020-01-15           IT   \n",
      "342  343       John Doe  25.0  Unknown            NaN 2020-01-15           IT   \n",
      "343  344     Anna Davis  40.0        M          80000 2023-03-22           HR   \n",
      "344  345      Chris Lee  23.0     Male          55000 2023-03-22  InvalidDept   \n",
      "345  346     Anna Davis  25.0     Male  Not Disclosed 2021-06-01        Sales   \n",
      "346  347   Mary Johnson  30.0  Unknown          72000        NaT           IT   \n",
      "347  348      Chris Lee  19.0  Unknown            NaN 2023-03-22           HR   \n",
      "348  349   Mary Johnson  23.0        M          55000 2023-03-22      Finance   \n",
      "349  350       John Doe  23.0     Male            NaN        NaT        Sales   \n",
      "350  351       John Doe  23.0        M          55000 2023-03-22           IT   \n",
      "351  352      Chris Lee  40.0        F          45000 2023-03-22  InvalidDept   \n",
      "352  353      Chris Lee  25.0        M  Not Disclosed 2021-06-01           HR   \n",
      "353  354  Invalid#Name!  40.0   Female            NaN 2020-01-15           IT   \n",
      "354  355     Anna Davis  25.0   Female          72000 2020-01-15  InvalidDept   \n",
      "355  356  Invalid#Name!  40.0  Unknown          72000 2020-01-15           IT   \n",
      "356  357     Anna Davis  40.0        M          80000 2020-01-15        Sales   \n",
      "357  358  Invalid#Name!  19.0   Female          55000 2023-03-22        Sales   \n",
      "358  359   Mary Johnson  30.0     Male            NaN        NaT        Sales   \n",
      "359  360      Chris Lee  40.0        M          80000        NaT           HR   \n",
      "360  361       John Doe  19.0        M            NaN 2021-06-01        Sales   \n",
      "361  362     Anna Davis  25.0  Unknown          55000 2021-06-01  InvalidDept   \n",
      "362  363     Anna Davis  30.0        F          72000 2023-03-22           IT   \n",
      "363  364       John Doe  40.0  Unknown          45000        NaT      Finance   \n",
      "364  365  Invalid#Name!  23.0        F          72000        NaT  InvalidDept   \n",
      "365  366     Anna Davis  25.0  Unknown          80000 2020-01-15  InvalidDept   \n",
      "366  367   Mary Johnson  25.0  Unknown  Not Disclosed 2023-03-22        Sales   \n",
      "367  368      Chris Lee  19.0  Unknown          45000 2023-03-22           HR   \n",
      "368  369       John Doe  25.0        F          80000 2020-01-15           IT   \n",
      "369  370      Chris Lee  30.0        F          55000 2023-03-22           HR   \n",
      "370  371     Anna Davis  40.0  Unknown          45000 2023-03-22           IT   \n",
      "371  372     Anna Davis  40.0   Female          80000 2021-06-01           IT   \n",
      "372  373       John Doe  23.0        M          55000        NaT           HR   \n",
      "373  374   Mary Johnson  19.0        M          72000 2023-03-22  InvalidDept   \n",
      "374  375     Jane Smith  23.0        M  Not Disclosed 2021-06-01           IT   \n",
      "375  376       John Doe  25.0        F          55000        NaT           HR   \n",
      "376  377     Jane Smith  23.0        F            NaN 2020-01-15           IT   \n",
      "377  378  Invalid#Name!  30.0   Female          55000 2021-06-01      Finance   \n",
      "378  379     Jane Smith  40.0        M          55000 2021-06-01  InvalidDept   \n",
      "379  380   Mary Johnson  25.0        M  Not Disclosed        NaT        Sales   \n",
      "380  381  Invalid#Name!  23.0  Unknown            NaN 2020-01-15           IT   \n",
      "381  382     Jane Smith  19.0        F          80000 2021-06-01      Finance   \n",
      "382  383  Invalid#Name!  30.0        M          80000 2023-03-22        Sales   \n",
      "383  384     Jane Smith  30.0        M          55000 2023-03-22        Sales   \n",
      "384  385   Mary Johnson  23.0   Female            NaN 2023-03-22           IT   \n",
      "385  386     Jane Smith  40.0        M            NaN 2020-01-15           HR   \n",
      "386  387     Jane Smith  23.0        M  Not Disclosed 2021-06-01           IT   \n",
      "387  388     Jane Smith  25.0   Female          72000 2023-03-22      Finance   \n",
      "388  389       John Doe  23.0        M          80000 2020-01-15        Sales   \n",
      "389  390       John Doe  30.0        M  Not Disclosed 2023-03-22           IT   \n",
      "390  391       John Doe  23.0        F          45000        NaT           HR   \n",
      "391  392   Mary Johnson  40.0   Female          80000 2021-06-01           IT   \n",
      "392  393  Invalid#Name!  19.0  Unknown  Not Disclosed 2021-06-01  InvalidDept   \n",
      "393  394     Anna Davis  25.0        M          80000 2020-01-15           HR   \n",
      "394  395     Jane Smith  23.0   Female          72000 2020-01-15      Finance   \n",
      "395  396     Jane Smith  40.0     Male          45000 2021-06-01        Sales   \n",
      "396  397   Mary Johnson  40.0     Male          72000 2023-03-22           IT   \n",
      "397  398     Jane Smith  19.0        F          45000 2023-03-22           HR   \n",
      "398  399       John Doe  30.0        M          55000        NaT  InvalidDept   \n",
      "399  400     Anna Davis  40.0        F  Not Disclosed 2023-03-22           HR   \n",
      "\n",
      "    Feedback Score  \n",
      "0              NaN  \n",
      "1                5  \n",
      "2    Not Available  \n",
      "3                3  \n",
      "4                4  \n",
      "5    Not Available  \n",
      "6                3  \n",
      "7                2  \n",
      "8                1  \n",
      "9              NaN  \n",
      "10               5  \n",
      "11               5  \n",
      "12               1  \n",
      "13             NaN  \n",
      "14               1  \n",
      "15               2  \n",
      "16               3  \n",
      "17   Not Available  \n",
      "18               5  \n",
      "19               2  \n",
      "20               3  \n",
      "21               2  \n",
      "22             NaN  \n",
      "23               5  \n",
      "24   Not Available  \n",
      "25               1  \n",
      "26               1  \n",
      "27               3  \n",
      "28   Not Available  \n",
      "29               4  \n",
      "30             NaN  \n",
      "31               3  \n",
      "32               4  \n",
      "33               2  \n",
      "34             NaN  \n",
      "35               2  \n",
      "36   Not Available  \n",
      "37               5  \n",
      "38             NaN  \n",
      "39               4  \n",
      "40               5  \n",
      "41               1  \n",
      "42               4  \n",
      "43               3  \n",
      "44               1  \n",
      "45               1  \n",
      "46               3  \n",
      "47             NaN  \n",
      "48               1  \n",
      "49   Not Available  \n",
      "50               4  \n",
      "51               5  \n",
      "52               1  \n",
      "53               4  \n",
      "54               2  \n",
      "55               4  \n",
      "56               5  \n",
      "57               4  \n",
      "58               3  \n",
      "59               5  \n",
      "60             NaN  \n",
      "61               2  \n",
      "62               3  \n",
      "63             NaN  \n",
      "64               4  \n",
      "65               5  \n",
      "66               2  \n",
      "67               3  \n",
      "68             NaN  \n",
      "69             NaN  \n",
      "70               2  \n",
      "71   Not Available  \n",
      "72               4  \n",
      "73               2  \n",
      "74             NaN  \n",
      "75               1  \n",
      "76               3  \n",
      "77               2  \n",
      "78   Not Available  \n",
      "79             NaN  \n",
      "80               4  \n",
      "81             NaN  \n",
      "82               4  \n",
      "83               2  \n",
      "84               4  \n",
      "85               5  \n",
      "86               5  \n",
      "87               5  \n",
      "88   Not Available  \n",
      "89   Not Available  \n",
      "90               1  \n",
      "91   Not Available  \n",
      "92               2  \n",
      "93             NaN  \n",
      "94             NaN  \n",
      "95               1  \n",
      "96   Not Available  \n",
      "97               4  \n",
      "98               1  \n",
      "99               4  \n",
      "100              4  \n",
      "101              3  \n",
      "102            NaN  \n",
      "103              5  \n",
      "104  Not Available  \n",
      "105              4  \n",
      "106              3  \n",
      "107            NaN  \n",
      "108              5  \n",
      "109              4  \n",
      "110              4  \n",
      "111              1  \n",
      "112              1  \n",
      "113            NaN  \n",
      "114              5  \n",
      "115              4  \n",
      "116            NaN  \n",
      "117            NaN  \n",
      "118              2  \n",
      "119  Not Available  \n",
      "120              1  \n",
      "121              5  \n",
      "122              4  \n",
      "123            NaN  \n",
      "124              4  \n",
      "125              2  \n",
      "126              5  \n",
      "127            NaN  \n",
      "128              4  \n",
      "129              1  \n",
      "130  Not Available  \n",
      "131              2  \n",
      "132              5  \n",
      "133              2  \n",
      "134              1  \n",
      "135              5  \n",
      "136              2  \n",
      "137              3  \n",
      "138              1  \n",
      "139              1  \n",
      "140              1  \n",
      "141              3  \n",
      "142              3  \n",
      "143              4  \n",
      "144            NaN  \n",
      "145  Not Available  \n",
      "146              2  \n",
      "147              4  \n",
      "148              2  \n",
      "149  Not Available  \n",
      "150            NaN  \n",
      "151              3  \n",
      "152            NaN  \n",
      "153              3  \n",
      "154  Not Available  \n",
      "155            NaN  \n",
      "156              4  \n",
      "157              5  \n",
      "158              4  \n",
      "159              2  \n",
      "160              4  \n",
      "161  Not Available  \n",
      "162              1  \n",
      "163              2  \n",
      "164            NaN  \n",
      "165              2  \n",
      "166              5  \n",
      "167              3  \n",
      "168            NaN  \n",
      "169              2  \n",
      "170            NaN  \n",
      "171            NaN  \n",
      "172            NaN  \n",
      "173              3  \n",
      "174  Not Available  \n",
      "175              4  \n",
      "176            NaN  \n",
      "177              1  \n",
      "178  Not Available  \n",
      "179              5  \n",
      "180              3  \n",
      "181              2  \n",
      "182              3  \n",
      "183              2  \n",
      "184              3  \n",
      "185              2  \n",
      "186            NaN  \n",
      "187              4  \n",
      "188              2  \n",
      "189              2  \n",
      "190              1  \n",
      "191              2  \n",
      "192              1  \n",
      "193              5  \n",
      "194            NaN  \n",
      "195              1  \n",
      "196              4  \n",
      "197  Not Available  \n",
      "198            NaN  \n",
      "199              1  \n",
      "200            NaN  \n",
      "201            NaN  \n",
      "202            NaN  \n",
      "203              5  \n",
      "204              4  \n",
      "205              3  \n",
      "206              3  \n",
      "207              1  \n",
      "208            NaN  \n",
      "209              1  \n",
      "210              5  \n",
      "211              5  \n",
      "212              2  \n",
      "213              5  \n",
      "214              2  \n",
      "215              4  \n",
      "216              1  \n",
      "217  Not Available  \n",
      "218              4  \n",
      "219              5  \n",
      "220              4  \n",
      "221              4  \n",
      "222              4  \n",
      "223              5  \n",
      "224  Not Available  \n",
      "225            NaN  \n",
      "226              4  \n",
      "227              2  \n",
      "228              5  \n",
      "229              4  \n",
      "230  Not Available  \n",
      "231            NaN  \n",
      "232              5  \n",
      "233              3  \n",
      "234            NaN  \n",
      "235              2  \n",
      "236              4  \n",
      "237  Not Available  \n",
      "238              3  \n",
      "239  Not Available  \n",
      "240              3  \n",
      "241              5  \n",
      "242              3  \n",
      "243              2  \n",
      "244              2  \n",
      "245              1  \n",
      "246              2  \n",
      "247            NaN  \n",
      "248              3  \n",
      "249              2  \n",
      "250              5  \n",
      "251  Not Available  \n",
      "252  Not Available  \n",
      "253              1  \n",
      "254  Not Available  \n",
      "255              3  \n",
      "256              1  \n",
      "257              3  \n",
      "258              5  \n",
      "259              1  \n",
      "260              4  \n",
      "261            NaN  \n",
      "262            NaN  \n",
      "263              3  \n",
      "264  Not Available  \n",
      "265              4  \n",
      "266              1  \n",
      "267              4  \n",
      "268              4  \n",
      "269  Not Available  \n",
      "270              1  \n",
      "271              5  \n",
      "272  Not Available  \n",
      "273              4  \n",
      "274              4  \n",
      "275              5  \n",
      "276              4  \n",
      "277              4  \n",
      "278              4  \n",
      "279            NaN  \n",
      "280  Not Available  \n",
      "281              2  \n",
      "282  Not Available  \n",
      "283              5  \n",
      "284              4  \n",
      "285  Not Available  \n",
      "286            NaN  \n",
      "287              5  \n",
      "288              3  \n",
      "289  Not Available  \n",
      "290              3  \n",
      "291              4  \n",
      "292            NaN  \n",
      "293            NaN  \n",
      "294  Not Available  \n",
      "295              5  \n",
      "296              5  \n",
      "297            NaN  \n",
      "298              5  \n",
      "299            NaN  \n",
      "300  Not Available  \n",
      "301              2  \n",
      "302            NaN  \n",
      "303              3  \n",
      "304              5  \n",
      "305            NaN  \n",
      "306            NaN  \n",
      "307  Not Available  \n",
      "308              5  \n",
      "309              2  \n",
      "310  Not Available  \n",
      "311              2  \n",
      "312  Not Available  \n",
      "313              5  \n",
      "314              1  \n",
      "315              5  \n",
      "316              5  \n",
      "317              2  \n",
      "318              2  \n",
      "319              5  \n",
      "320              5  \n",
      "321              5  \n",
      "322              2  \n",
      "323              5  \n",
      "324              5  \n",
      "325              4  \n",
      "326              1  \n",
      "327              3  \n",
      "328              1  \n",
      "329              4  \n",
      "330              3  \n",
      "331  Not Available  \n",
      "332              5  \n",
      "333              4  \n",
      "334  Not Available  \n",
      "335              5  \n",
      "336              2  \n",
      "337            NaN  \n",
      "338              4  \n",
      "339              2  \n",
      "340              4  \n",
      "341              4  \n",
      "342              2  \n",
      "343              3  \n",
      "344              1  \n",
      "345              5  \n",
      "346              4  \n",
      "347              5  \n",
      "348            NaN  \n",
      "349              2  \n",
      "350              5  \n",
      "351              2  \n",
      "352              5  \n",
      "353              1  \n",
      "354              1  \n",
      "355              1  \n",
      "356              1  \n",
      "357              1  \n",
      "358              1  \n",
      "359              2  \n",
      "360              4  \n",
      "361              5  \n",
      "362              1  \n",
      "363              2  \n",
      "364              2  \n",
      "365              2  \n",
      "366              4  \n",
      "367              5  \n",
      "368              4  \n",
      "369              3  \n",
      "370  Not Available  \n",
      "371              2  \n",
      "372              3  \n",
      "373            NaN  \n",
      "374              1  \n",
      "375  Not Available  \n",
      "376              1  \n",
      "377              4  \n",
      "378  Not Available  \n",
      "379              5  \n",
      "380              3  \n",
      "381              5  \n",
      "382              4  \n",
      "383              1  \n",
      "384  Not Available  \n",
      "385              5  \n",
      "386              5  \n",
      "387              1  \n",
      "388  Not Available  \n",
      "389              3  \n",
      "390              1  \n",
      "391              5  \n",
      "392              3  \n",
      "393              3  \n",
      "394              1  \n",
      "395              5  \n",
      "396              4  \n",
      "397              5  \n",
      "398              2  \n",
      "399  Not Available  \n"
     ]
    }
   ],
   "source": [
    "data['Gender'] = data['Gender'].fillna(data['Gender'].mode()[0])\n",
    "pd.set_option('display.max_rows', None)  # Show all rows\n",
    "pd.set_option('display.max_columns', None)  # Show all columns\n",
    "\n",
    "# Display the entire DataFrame\n",
    "print(data)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "a2ef2853",
   "metadata": {
    "papermill": {
     "duration": 0.010067,
     "end_time": "2024-10-05T18:11:01.844972",
     "exception": false,
     "start_time": "2024-10-05T18:11:01.834905",
     "status": "completed"
    },
    "tags": []
   },
   "source": [
    "# For Salary, convert to numeric, errors='coerce' will turn invalid entries to NaN"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "4a3cc3ad",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2024-10-05T18:11:01.868326Z",
     "iopub.status.busy": "2024-10-05T18:11:01.867247Z",
     "iopub.status.idle": "2024-10-05T18:11:01.917105Z",
     "shell.execute_reply": "2024-10-05T18:11:01.916016Z"
    },
    "papermill": {
     "duration": 0.06493,
     "end_time": "2024-10-05T18:11:01.920428",
     "exception": false,
     "start_time": "2024-10-05T18:11:01.855498",
     "status": "completed"
    },
    "tags": []
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "      ID           Name   Age   Gender   Salary  Join Date   Department  \\\n",
      "0      1      Chris Lee  25.0  Unknown  72000.0 2020-01-15  InvalidDept   \n",
      "1      2     Anna Davis  25.0  Unknown  72000.0        NaT           HR   \n",
      "2      3   Mary Johnson  23.0  Unknown  72000.0        NaT  InvalidDept   \n",
      "3      4     Anna Davis  25.0   Female  80000.0 2023-03-22           IT   \n",
      "4      5     Anna Davis  40.0   Female  80000.0 2020-01-15           IT   \n",
      "5      6     Jane Smith  25.0        M  55000.0 2020-01-15      Finance   \n",
      "6      7   Mary Johnson  23.0     Male  45000.0 2021-06-01  InvalidDept   \n",
      "7      8   Mary Johnson  19.0  Unknown  72000.0 2020-01-15           HR   \n",
      "8      9   Mary Johnson  19.0        M  55000.0        NaT           HR   \n",
      "9     10     Anna Davis  25.0     Male  45000.0 2020-01-15        Sales   \n",
      "10    11      Chris Lee  30.0        M      NaN 2021-06-01           HR   \n",
      "11    12   Mary Johnson  25.0     Male      NaN 2023-03-22      Finance   \n",
      "12    13  Invalid#Name!  25.0        M  80000.0 2021-06-01      Finance   \n",
      "13    14     Anna Davis  25.0  Unknown      NaN 2021-06-01           HR   \n",
      "14    15     Jane Smith  19.0  Unknown  45000.0 2023-03-22           HR   \n",
      "15    16      Chris Lee  30.0        F      NaN 2021-06-01        Sales   \n",
      "16    17  Invalid#Name!  23.0        M      NaN 2021-06-01           HR   \n",
      "17    18  Invalid#Name!  25.0     Male  45000.0 2020-01-15        Sales   \n",
      "18    19     Jane Smith  19.0     Male      NaN 2020-01-15        Sales   \n",
      "19    20      Chris Lee  40.0   Female  80000.0 2023-03-22           HR   \n",
      "20    21     Anna Davis  19.0        F  80000.0 2020-01-15           IT   \n",
      "21    22       John Doe  25.0   Female  55000.0 2020-01-15           IT   \n",
      "22    23      Chris Lee  25.0   Female      NaN 2021-06-01        Sales   \n",
      "23    24     Jane Smith  19.0   Female  72000.0        NaT           HR   \n",
      "24    25  Invalid#Name!  23.0        M      NaN 2020-01-15           IT   \n",
      "25    26     Anna Davis  25.0        M  45000.0        NaT           HR   \n",
      "26    27      Chris Lee  25.0        M  45000.0 2020-01-15           HR   \n",
      "27    28       John Doe  19.0        M      NaN 2020-01-15           HR   \n",
      "28    29       John Doe  19.0   Female      NaN 2023-03-22  InvalidDept   \n",
      "29    30   Mary Johnson  30.0        F  80000.0 2023-03-22           HR   \n",
      "30    31   Mary Johnson  25.0     Male  45000.0 2023-03-22  InvalidDept   \n",
      "31    32     Jane Smith  40.0        M  80000.0        NaT        Sales   \n",
      "32    33      Chris Lee  23.0        F  45000.0 2021-06-01           IT   \n",
      "33    34      Chris Lee  40.0  Unknown  55000.0 2020-01-15           IT   \n",
      "34    35  Invalid#Name!  25.0        M  72000.0 2020-01-15           IT   \n",
      "35    36  Invalid#Name!  25.0        M  45000.0 2020-01-15           IT   \n",
      "36    37  Invalid#Name!  25.0        M  80000.0        NaT           IT   \n",
      "37    38   Mary Johnson  40.0     Male  55000.0 2023-03-22           IT   \n",
      "38    39      Chris Lee  25.0     Male  45000.0 2021-06-01           IT   \n",
      "39    40      Chris Lee  19.0  Unknown      NaN        NaT        Sales   \n",
      "40    41       John Doe  40.0  Unknown  72000.0 2023-03-22           HR   \n",
      "41    42   Mary Johnson  25.0        M  45000.0        NaT      Finance   \n",
      "42    43     Anna Davis  19.0   Female  55000.0 2021-06-01  InvalidDept   \n",
      "43    44   Mary Johnson  30.0        M      NaN 2023-03-22      Finance   \n",
      "44    45     Anna Davis  25.0        M      NaN        NaT      Finance   \n",
      "45    46       John Doe  40.0        M  55000.0 2021-06-01           HR   \n",
      "46    47     Jane Smith  25.0        F  55000.0 2020-01-15           HR   \n",
      "47    48      Chris Lee  25.0   Female      NaN 2021-06-01           HR   \n",
      "48    49       John Doe  25.0        M  55000.0 2020-01-15           IT   \n",
      "49    50      Chris Lee  19.0   Female      NaN        NaT        Sales   \n",
      "50    51  Invalid#Name!  30.0   Female  45000.0 2023-03-22           IT   \n",
      "51    52     Jane Smith  23.0   Female      NaN 2023-03-22        Sales   \n",
      "52    53     Jane Smith  30.0        M      NaN        NaT        Sales   \n",
      "53    54       John Doe  25.0        M  72000.0 2023-03-22      Finance   \n",
      "54    55     Jane Smith  25.0        M      NaN 2023-03-22      Finance   \n",
      "55    56     Anna Davis  25.0   Female      NaN 2020-01-15        Sales   \n",
      "56    57     Jane Smith  40.0        F      NaN        NaT        Sales   \n",
      "57    58      Chris Lee  25.0     Male  45000.0 2021-06-01           IT   \n",
      "58    59      Chris Lee  40.0        M  72000.0 2020-01-15           IT   \n",
      "59    60      Chris Lee  19.0     Male      NaN        NaT      Finance   \n",
      "60    61      Chris Lee  23.0        F  80000.0 2020-01-15           HR   \n",
      "61    62     Anna Davis  25.0        M  45000.0 2021-06-01        Sales   \n",
      "62    63   Mary Johnson  40.0   Female  45000.0 2021-06-01           IT   \n",
      "63    64  Invalid#Name!  23.0        M  80000.0        NaT      Finance   \n",
      "64    65       John Doe  25.0     Male      NaN 2021-06-01           IT   \n",
      "65    66      Chris Lee  25.0  Unknown      NaN 2020-01-15        Sales   \n",
      "66    67     Jane Smith  23.0  Unknown  55000.0 2021-06-01        Sales   \n",
      "67    68      Chris Lee  25.0        F  72000.0 2020-01-15  InvalidDept   \n",
      "68    69     Jane Smith  19.0   Female  55000.0 2020-01-15           HR   \n",
      "69    70  Invalid#Name!  19.0     Male  80000.0 2021-06-01  InvalidDept   \n",
      "70    71  Invalid#Name!  23.0   Female  45000.0        NaT      Finance   \n",
      "71    72  Invalid#Name!  40.0     Male  45000.0 2023-03-22           IT   \n",
      "72    73     Jane Smith  40.0        F  72000.0 2021-06-01      Finance   \n",
      "73    74      Chris Lee  23.0        F  45000.0 2020-01-15        Sales   \n",
      "74    75  Invalid#Name!  40.0  Unknown  45000.0 2020-01-15  InvalidDept   \n",
      "75    76     Anna Davis  40.0   Female  72000.0 2021-06-01  InvalidDept   \n",
      "76    77     Jane Smith  19.0        M      NaN        NaT  InvalidDept   \n",
      "77    78     Jane Smith  40.0  Unknown      NaN        NaT      Finance   \n",
      "78    79      Chris Lee  30.0   Female  72000.0 2020-01-15        Sales   \n",
      "79    80     Jane Smith  25.0  Unknown  80000.0 2020-01-15           IT   \n",
      "80    81     Jane Smith  25.0        M  45000.0        NaT           IT   \n",
      "81    82  Invalid#Name!  30.0        M  45000.0 2023-03-22      Finance   \n",
      "82    83      Chris Lee  40.0        M  80000.0 2021-06-01  InvalidDept   \n",
      "83    84  Invalid#Name!  19.0        M      NaN 2020-01-15           HR   \n",
      "84    85  Invalid#Name!  23.0        M      NaN 2020-01-15      Finance   \n",
      "85    86      Chris Lee  40.0     Male      NaN        NaT      Finance   \n",
      "86    87       John Doe  19.0        M      NaN 2021-06-01        Sales   \n",
      "87    88  Invalid#Name!  25.0        M      NaN        NaT           IT   \n",
      "88    89     Anna Davis  40.0        F      NaN 2021-06-01      Finance   \n",
      "89    90     Anna Davis  23.0        F  80000.0 2021-06-01      Finance   \n",
      "90    91     Jane Smith  19.0     Male  45000.0 2021-06-01  InvalidDept   \n",
      "91    92     Anna Davis  19.0        M  80000.0 2020-01-15  InvalidDept   \n",
      "92    93     Jane Smith  19.0        M  80000.0 2023-03-22           HR   \n",
      "93    94       John Doe  25.0        M      NaN        NaT        Sales   \n",
      "94    95      Chris Lee  40.0  Unknown      NaN 2023-03-22           HR   \n",
      "95    96      Chris Lee  25.0   Female  55000.0        NaT  InvalidDept   \n",
      "96    97      Chris Lee  25.0  Unknown  45000.0 2021-06-01           IT   \n",
      "97    98     Anna Davis  25.0   Female      NaN 2020-01-15  InvalidDept   \n",
      "98    99       John Doe  40.0        M      NaN 2023-03-22        Sales   \n",
      "99   100     Anna Davis  25.0        M  55000.0 2020-01-15  InvalidDept   \n",
      "100  101     Anna Davis  23.0  Unknown  55000.0        NaT        Sales   \n",
      "101  102       John Doe  19.0  Unknown      NaN 2020-01-15        Sales   \n",
      "102  103       John Doe  19.0   Female  72000.0 2020-01-15        Sales   \n",
      "103  104       John Doe  40.0        F  45000.0 2023-03-22        Sales   \n",
      "104  105       John Doe  25.0   Female  55000.0 2021-06-01        Sales   \n",
      "105  106      Chris Lee  25.0  Unknown      NaN 2020-01-15           IT   \n",
      "106  107   Mary Johnson  19.0        M      NaN 2021-06-01           HR   \n",
      "107  108   Mary Johnson  40.0  Unknown      NaN        NaT      Finance   \n",
      "108  109       John Doe  25.0        M  72000.0 2020-01-15           HR   \n",
      "109  110   Mary Johnson  25.0     Male  45000.0 2023-03-22        Sales   \n",
      "110  111   Mary Johnson  25.0  Unknown  80000.0        NaT           IT   \n",
      "111  112       John Doe  25.0     Male      NaN        NaT  InvalidDept   \n",
      "112  113   Mary Johnson  25.0        F  55000.0 2023-03-22           IT   \n",
      "113  114     Anna Davis  30.0   Female  55000.0 2020-01-15        Sales   \n",
      "114  115     Jane Smith  25.0        M      NaN 2020-01-15           IT   \n",
      "115  116     Jane Smith  23.0   Female      NaN        NaT           IT   \n",
      "116  117       John Doe  40.0     Male  55000.0 2020-01-15        Sales   \n",
      "117  118      Chris Lee  40.0        M  72000.0 2021-06-01           IT   \n",
      "118  119       John Doe  25.0   Female  45000.0 2023-03-22      Finance   \n",
      "119  120      Chris Lee  25.0  Unknown  72000.0 2021-06-01      Finance   \n",
      "120  121     Jane Smith  23.0        M  55000.0 2020-01-15           IT   \n",
      "121  122       John Doe  25.0     Male  80000.0        NaT  InvalidDept   \n",
      "122  123  Invalid#Name!  30.0   Female  45000.0 2023-03-22        Sales   \n",
      "123  124     Anna Davis  25.0     Male  45000.0 2020-01-15      Finance   \n",
      "124  125   Mary Johnson  25.0     Male      NaN 2020-01-15  InvalidDept   \n",
      "125  126      Chris Lee  25.0        M      NaN        NaT           IT   \n",
      "126  127  Invalid#Name!  30.0        M  80000.0        NaT  InvalidDept   \n",
      "127  128   Mary Johnson  25.0        M      NaN 2021-06-01           HR   \n",
      "128  129   Mary Johnson  23.0  Unknown  45000.0 2023-03-22      Finance   \n",
      "129  130       John Doe  23.0     Male  80000.0 2023-03-22           IT   \n",
      "130  131   Mary Johnson  40.0   Female      NaN        NaT        Sales   \n",
      "131  132     Anna Davis  30.0        F      NaN 2021-06-01           IT   \n",
      "132  133  Invalid#Name!  30.0     Male  45000.0 2023-03-22        Sales   \n",
      "133  134   Mary Johnson  40.0     Male  72000.0        NaT           IT   \n",
      "134  135       John Doe  25.0        M  55000.0 2020-01-15  InvalidDept   \n",
      "135  136     Anna Davis  30.0  Unknown      NaN 2023-03-22  InvalidDept   \n",
      "136  137     Jane Smith  23.0        F      NaN 2021-06-01  InvalidDept   \n",
      "137  138  Invalid#Name!  23.0        M      NaN 2021-06-01           HR   \n",
      "138  139   Mary Johnson  25.0        M      NaN 2021-06-01        Sales   \n",
      "139  140       John Doe  30.0   Female  72000.0 2020-01-15  InvalidDept   \n",
      "140  141     Jane Smith  25.0        F  72000.0 2023-03-22           HR   \n",
      "141  142     Jane Smith  40.0        M  80000.0 2023-03-22        Sales   \n",
      "142  143      Chris Lee  40.0   Female      NaN 2020-01-15           IT   \n",
      "143  144     Anna Davis  25.0  Unknown  80000.0 2023-03-22           HR   \n",
      "144  145   Mary Johnson  19.0   Female      NaN 2020-01-15      Finance   \n",
      "145  146       John Doe  25.0        M  55000.0 2020-01-15           HR   \n",
      "146  147      Chris Lee  40.0        M  55000.0 2020-01-15           HR   \n",
      "147  148     Anna Davis  30.0        M  45000.0 2021-06-01        Sales   \n",
      "148  149      Chris Lee  25.0        M  80000.0 2023-03-22           IT   \n",
      "149  150  Invalid#Name!  30.0        M      NaN 2020-01-15      Finance   \n",
      "150  151     Anna Davis  23.0        M  80000.0 2023-03-22  InvalidDept   \n",
      "151  152     Anna Davis  25.0        F      NaN 2021-06-01  InvalidDept   \n",
      "152  153   Mary Johnson  40.0  Unknown  72000.0 2020-01-15           HR   \n",
      "153  154     Anna Davis  25.0   Female  80000.0        NaT        Sales   \n",
      "154  155      Chris Lee  25.0   Female  72000.0 2021-06-01        Sales   \n",
      "155  156     Anna Davis  25.0        M  55000.0        NaT  InvalidDept   \n",
      "156  157   Mary Johnson  19.0        M  55000.0 2023-03-22      Finance   \n",
      "157  158   Mary Johnson  25.0        M  45000.0 2023-03-22           IT   \n",
      "158  159  Invalid#Name!  30.0     Male  80000.0 2021-06-01      Finance   \n",
      "159  160      Chris Lee  23.0  Unknown  72000.0 2023-03-22           IT   \n",
      "160  161     Jane Smith  25.0        F      NaN        NaT  InvalidDept   \n",
      "161  162     Jane Smith  25.0   Female  55000.0 2020-01-15           IT   \n",
      "162  163     Anna Davis  40.0     Male  55000.0 2020-01-15        Sales   \n",
      "163  164  Invalid#Name!  25.0     Male      NaN 2020-01-15           HR   \n",
      "164  165       John Doe  40.0        M  72000.0 2021-06-01           HR   \n",
      "165  166     Anna Davis  30.0   Female  72000.0 2023-03-22  InvalidDept   \n",
      "166  167  Invalid#Name!  40.0        M  80000.0        NaT        Sales   \n",
      "167  168      Chris Lee  25.0        F  80000.0 2023-03-22      Finance   \n",
      "168  169      Chris Lee  23.0     Male      NaN 2023-03-22        Sales   \n",
      "169  170      Chris Lee  40.0     Male      NaN 2023-03-22           HR   \n",
      "170  171      Chris Lee  40.0  Unknown  45000.0 2020-01-15           HR   \n",
      "171  172      Chris Lee  23.0        F  55000.0        NaT        Sales   \n",
      "172  173  Invalid#Name!  25.0     Male  80000.0        NaT        Sales   \n",
      "173  174  Invalid#Name!  25.0        F  72000.0 2023-03-22           HR   \n",
      "174  175   Mary Johnson  40.0   Female      NaN 2020-01-15      Finance   \n",
      "175  176     Jane Smith  23.0        M  72000.0 2020-01-15  InvalidDept   \n",
      "176  177      Chris Lee  30.0     Male  55000.0        NaT  InvalidDept   \n",
      "177  178       John Doe  23.0  Unknown      NaN 2020-01-15        Sales   \n",
      "178  179  Invalid#Name!  30.0   Female  72000.0 2020-01-15  InvalidDept   \n",
      "179  180       John Doe  25.0        F  45000.0 2020-01-15           HR   \n",
      "180  181       John Doe  25.0        M  55000.0 2021-06-01           HR   \n",
      "181  182       John Doe  23.0   Female      NaN 2023-03-22        Sales   \n",
      "182  183   Mary Johnson  19.0     Male      NaN        NaT        Sales   \n",
      "183  184  Invalid#Name!  40.0        F      NaN        NaT        Sales   \n",
      "184  185       John Doe  25.0        M  45000.0 2021-06-01      Finance   \n",
      "185  186      Chris Lee  23.0   Female  55000.0 2023-03-22  InvalidDept   \n",
      "186  187     Anna Davis  40.0     Male      NaN        NaT        Sales   \n",
      "187  188       John Doe  23.0  Unknown  45000.0 2020-01-15           IT   \n",
      "188  189   Mary Johnson  30.0        M      NaN        NaT           IT   \n",
      "189  190  Invalid#Name!  23.0        F  45000.0 2020-01-15           HR   \n",
      "190  191   Mary Johnson  19.0   Female  55000.0 2021-06-01  InvalidDept   \n",
      "191  192       John Doe  23.0   Female  80000.0 2020-01-15        Sales   \n",
      "192  193  Invalid#Name!  23.0        M  45000.0        NaT           IT   \n",
      "193  194     Anna Davis  19.0        M  45000.0        NaT  InvalidDept   \n",
      "194  195       John Doe  25.0  Unknown      NaN        NaT           HR   \n",
      "195  196   Mary Johnson  23.0        M      NaN 2021-06-01      Finance   \n",
      "196  197     Jane Smith  19.0  Unknown      NaN 2021-06-01  InvalidDept   \n",
      "197  198      Chris Lee  40.0     Male      NaN 2023-03-22  InvalidDept   \n",
      "198  199   Mary Johnson  30.0     Male  72000.0        NaT      Finance   \n",
      "199  200  Invalid#Name!  30.0  Unknown  55000.0 2020-01-15  InvalidDept   \n",
      "200  201       John Doe  23.0        M  55000.0 2021-06-01           HR   \n",
      "201  202      Chris Lee  25.0  Unknown  80000.0        NaT           HR   \n",
      "202  203       John Doe  25.0        M  80000.0        NaT      Finance   \n",
      "203  204  Invalid#Name!  40.0        M  55000.0 2021-06-01        Sales   \n",
      "204  205       John Doe  23.0        F  80000.0 2023-03-22           IT   \n",
      "205  206     Jane Smith  30.0        M      NaN 2021-06-01        Sales   \n",
      "206  207      Chris Lee  25.0        M      NaN 2021-06-01  InvalidDept   \n",
      "207  208      Chris Lee  23.0        M  55000.0 2020-01-15           IT   \n",
      "208  209  Invalid#Name!  25.0        M  80000.0 2020-01-15      Finance   \n",
      "209  210     Jane Smith  19.0        M  55000.0 2023-03-22      Finance   \n",
      "210  211   Mary Johnson  25.0     Male  72000.0        NaT           IT   \n",
      "211  212       John Doe  30.0        M  45000.0 2021-06-01           HR   \n",
      "212  213     Anna Davis  25.0        M      NaN 2023-03-22           IT   \n",
      "213  214       John Doe  40.0  Unknown  55000.0 2020-01-15  InvalidDept   \n",
      "214  215       John Doe  40.0        F  45000.0 2021-06-01           HR   \n",
      "215  216   Mary Johnson  30.0        M  80000.0        NaT      Finance   \n",
      "216  217       John Doe  25.0   Female  45000.0 2020-01-15           IT   \n",
      "217  218     Jane Smith  23.0        F      NaN 2020-01-15        Sales   \n",
      "218  219     Jane Smith  25.0        F  55000.0 2020-01-15        Sales   \n",
      "219  220      Chris Lee  30.0        M  72000.0 2023-03-22  InvalidDept   \n",
      "220  221  Invalid#Name!  40.0        F  80000.0        NaT        Sales   \n",
      "221  222     Anna Davis  25.0        M  55000.0 2021-06-01           IT   \n",
      "222  223       John Doe  40.0        M      NaN 2023-03-22           IT   \n",
      "223  224       John Doe  23.0     Male  80000.0 2023-03-22        Sales   \n",
      "224  225   Mary Johnson  40.0        M      NaN 2023-03-22           IT   \n",
      "225  226  Invalid#Name!  40.0        M  45000.0 2020-01-15  InvalidDept   \n",
      "226  227     Jane Smith  25.0        M      NaN        NaT           HR   \n",
      "227  228     Anna Davis  25.0        M      NaN 2023-03-22  InvalidDept   \n",
      "228  229      Chris Lee  19.0     Male  55000.0 2021-06-01  InvalidDept   \n",
      "229  230     Jane Smith  25.0   Female  72000.0        NaT           IT   \n",
      "230  231  Invalid#Name!  40.0        M  80000.0 2021-06-01           HR   \n",
      "231  232      Chris Lee  30.0   Female  45000.0        NaT           IT   \n",
      "232  233   Mary Johnson  40.0        M  80000.0 2021-06-01      Finance   \n",
      "233  234   Mary Johnson  30.0  Unknown  55000.0 2020-01-15           IT   \n",
      "234  235       John Doe  30.0        F  80000.0 2023-03-22           IT   \n",
      "235  236  Invalid#Name!  25.0  Unknown  45000.0 2021-06-01           IT   \n",
      "236  237     Anna Davis  25.0        M  55000.0        NaT           HR   \n",
      "237  238      Chris Lee  23.0   Female  80000.0 2023-03-22           IT   \n",
      "238  239     Jane Smith  25.0        M  72000.0 2023-03-22           HR   \n",
      "239  240  Invalid#Name!  25.0        F      NaN        NaT        Sales   \n",
      "240  241  Invalid#Name!  25.0        M  55000.0 2021-06-01      Finance   \n",
      "241  242   Mary Johnson  23.0        F      NaN 2020-01-15           HR   \n",
      "242  243       John Doe  40.0     Male  55000.0 2020-01-15        Sales   \n",
      "243  244       John Doe  19.0        F  72000.0 2021-06-01           HR   \n",
      "244  245      Chris Lee  19.0     Male      NaN 2023-03-22           HR   \n",
      "245  246   Mary Johnson  40.0        F      NaN 2023-03-22      Finance   \n",
      "246  247  Invalid#Name!  25.0     Male  45000.0 2023-03-22  InvalidDept   \n",
      "247  248     Anna Davis  23.0   Female      NaN 2023-03-22  InvalidDept   \n",
      "248  249   Mary Johnson  25.0        M  80000.0 2021-06-01           HR   \n",
      "249  250      Chris Lee  30.0        M  72000.0 2023-03-22           IT   \n",
      "250  251      Chris Lee  25.0  Unknown      NaN        NaT        Sales   \n",
      "251  252   Mary Johnson  25.0        M  55000.0 2023-03-22           IT   \n",
      "252  253      Chris Lee  40.0        M  80000.0 2020-01-15           IT   \n",
      "253  254   Mary Johnson  40.0        F  80000.0 2023-03-22           HR   \n",
      "254  255     Jane Smith  40.0  Unknown      NaN 2021-06-01           HR   \n",
      "255  256   Mary Johnson  19.0        M      NaN 2020-01-15           HR   \n",
      "256  257   Mary Johnson  30.0        M  72000.0 2021-06-01           HR   \n",
      "257  258      Chris Lee  40.0     Male  45000.0 2021-06-01  InvalidDept   \n",
      "258  259      Chris Lee  23.0        M      NaN 2020-01-15           HR   \n",
      "259  260       John Doe  19.0   Female      NaN 2021-06-01  InvalidDept   \n",
      "260  261       John Doe  25.0   Female      NaN 2021-06-01  InvalidDept   \n",
      "261  262     Jane Smith  23.0  Unknown  55000.0 2023-03-22           HR   \n",
      "262  263       John Doe  23.0   Female      NaN        NaT      Finance   \n",
      "263  264   Mary Johnson  40.0        F      NaN 2021-06-01        Sales   \n",
      "264  265      Chris Lee  25.0   Female  80000.0 2021-06-01           IT   \n",
      "265  266       John Doe  25.0  Unknown  45000.0 2021-06-01  InvalidDept   \n",
      "266  267       John Doe  19.0   Female  55000.0 2023-03-22        Sales   \n",
      "267  268     Jane Smith  25.0        F  72000.0        NaT      Finance   \n",
      "268  269  Invalid#Name!  30.0     Male  72000.0 2020-01-15           IT   \n",
      "269  270     Jane Smith  40.0  Unknown      NaN 2023-03-22           IT   \n",
      "270  271   Mary Johnson  25.0     Male      NaN 2023-03-22  InvalidDept   \n",
      "271  272      Chris Lee  19.0     Male  72000.0        NaT           HR   \n",
      "272  273     Jane Smith  30.0     Male      NaN        NaT      Finance   \n",
      "273  274       John Doe  25.0        M  45000.0 2023-03-22  InvalidDept   \n",
      "274  275      Chris Lee  25.0        M      NaN 2020-01-15      Finance   \n",
      "275  276      Chris Lee  30.0        M      NaN 2023-03-22           HR   \n",
      "276  277       John Doe  19.0        M  80000.0        NaT           HR   \n",
      "277  278     Jane Smith  30.0     Male      NaN 2020-01-15  InvalidDept   \n",
      "278  279       John Doe  40.0  Unknown  55000.0        NaT           HR   \n",
      "279  280  Invalid#Name!  40.0        M  45000.0 2020-01-15        Sales   \n",
      "280  281      Chris Lee  25.0        F  55000.0 2021-06-01           IT   \n",
      "281  282     Anna Davis  25.0        F  55000.0        NaT  InvalidDept   \n",
      "282  283     Anna Davis  19.0   Female  80000.0        NaT      Finance   \n",
      "283  284   Mary Johnson  25.0        M  45000.0 2023-03-22        Sales   \n",
      "284  285       John Doe  25.0  Unknown  45000.0        NaT  InvalidDept   \n",
      "285  286       John Doe  25.0        M  45000.0        NaT           HR   \n",
      "286  287   Mary Johnson  40.0     Male  45000.0 2021-06-01           HR   \n",
      "287  288   Mary Johnson  23.0   Female  45000.0        NaT           HR   \n",
      "288  289   Mary Johnson  23.0        F  80000.0 2021-06-01           HR   \n",
      "289  290      Chris Lee  30.0        M      NaN 2021-06-01      Finance   \n",
      "290  291  Invalid#Name!  40.0        M  55000.0 2021-06-01        Sales   \n",
      "291  292       John Doe  25.0     Male  45000.0 2021-06-01           IT   \n",
      "292  293      Chris Lee  19.0        M      NaN 2020-01-15      Finance   \n",
      "293  294   Mary Johnson  23.0        F      NaN 2023-03-22      Finance   \n",
      "294  295       John Doe  25.0  Unknown  55000.0 2020-01-15           IT   \n",
      "295  296      Chris Lee  23.0        M  80000.0        NaT           IT   \n",
      "296  297  Invalid#Name!  23.0     Male  72000.0 2020-01-15           HR   \n",
      "297  298      Chris Lee  23.0  Unknown  72000.0 2020-01-15      Finance   \n",
      "298  299  Invalid#Name!  19.0        M      NaN        NaT  InvalidDept   \n",
      "299  300   Mary Johnson  40.0        F      NaN        NaT           IT   \n",
      "300  301  Invalid#Name!  19.0        M      NaN        NaT           IT   \n",
      "301  302       John Doe  25.0        M  55000.0 2020-01-15        Sales   \n",
      "302  303   Mary Johnson  25.0  Unknown  72000.0 2020-01-15  InvalidDept   \n",
      "303  304       John Doe  40.0  Unknown      NaN        NaT  InvalidDept   \n",
      "304  305     Anna Davis  40.0  Unknown  80000.0 2023-03-22           IT   \n",
      "305  306     Jane Smith  40.0        M  72000.0 2023-03-22           HR   \n",
      "306  307  Invalid#Name!  40.0        M      NaN 2021-06-01        Sales   \n",
      "307  308     Jane Smith  19.0        M      NaN        NaT  InvalidDept   \n",
      "308  309     Jane Smith  40.0   Female  45000.0 2021-06-01           IT   \n",
      "309  310  Invalid#Name!  30.0        M  80000.0 2023-03-22  InvalidDept   \n",
      "310  311   Mary Johnson  25.0        F  45000.0 2021-06-01        Sales   \n",
      "311  312     Anna Davis  40.0     Male  55000.0        NaT        Sales   \n",
      "312  313       John Doe  25.0  Unknown  45000.0        NaT      Finance   \n",
      "313  314      Chris Lee  30.0   Female  45000.0        NaT           IT   \n",
      "314  315       John Doe  30.0     Male  72000.0 2020-01-15        Sales   \n",
      "315  316      Chris Lee  25.0   Female      NaN 2021-06-01      Finance   \n",
      "316  317       John Doe  23.0        M      NaN 2023-03-22      Finance   \n",
      "317  318  Invalid#Name!  25.0        M  80000.0 2023-03-22  InvalidDept   \n",
      "318  319     Anna Davis  23.0  Unknown  45000.0 2023-03-22  InvalidDept   \n",
      "319  320      Chris Lee  23.0        M  80000.0 2020-01-15      Finance   \n",
      "320  321   Mary Johnson  19.0     Male      NaN 2020-01-15  InvalidDept   \n",
      "321  322       John Doe  23.0     Male      NaN        NaT        Sales   \n",
      "322  323       John Doe  40.0     Male  45000.0 2023-03-22           HR   \n",
      "323  324      Chris Lee  19.0     Male  55000.0 2020-01-15        Sales   \n",
      "324  325   Mary Johnson  19.0     Male  45000.0        NaT      Finance   \n",
      "325  326   Mary Johnson  30.0   Female  72000.0 2023-03-22      Finance   \n",
      "326  327  Invalid#Name!  23.0        M      NaN 2021-06-01        Sales   \n",
      "327  328  Invalid#Name!  30.0  Unknown  55000.0        NaT  InvalidDept   \n",
      "328  329  Invalid#Name!  25.0        M  45000.0 2020-01-15  InvalidDept   \n",
      "329  330  Invalid#Name!  25.0        M  80000.0 2020-01-15      Finance   \n",
      "330  331  Invalid#Name!  19.0        M  55000.0        NaT           IT   \n",
      "331  332  Invalid#Name!  25.0        M  55000.0        NaT  InvalidDept   \n",
      "332  333     Anna Davis  25.0        M  45000.0 2020-01-15        Sales   \n",
      "333  334   Mary Johnson  40.0        M  55000.0 2021-06-01  InvalidDept   \n",
      "334  335  Invalid#Name!  25.0   Female  80000.0 2023-03-22        Sales   \n",
      "335  336   Mary Johnson  25.0        F      NaN 2021-06-01      Finance   \n",
      "336  337   Mary Johnson  25.0  Unknown  55000.0        NaT  InvalidDept   \n",
      "337  338     Jane Smith  25.0     Male      NaN 2021-06-01        Sales   \n",
      "338  339     Anna Davis  25.0        F  80000.0 2020-01-15      Finance   \n",
      "339  340  Invalid#Name!  25.0        M  45000.0        NaT           IT   \n",
      "340  341       John Doe  25.0        M      NaN 2023-03-22        Sales   \n",
      "341  342      Chris Lee  25.0        F  55000.0 2020-01-15           IT   \n",
      "342  343       John Doe  25.0  Unknown      NaN 2020-01-15           IT   \n",
      "343  344     Anna Davis  40.0        M  80000.0 2023-03-22           HR   \n",
      "344  345      Chris Lee  23.0     Male  55000.0 2023-03-22  InvalidDept   \n",
      "345  346     Anna Davis  25.0     Male      NaN 2021-06-01        Sales   \n",
      "346  347   Mary Johnson  30.0  Unknown  72000.0        NaT           IT   \n",
      "347  348      Chris Lee  19.0  Unknown      NaN 2023-03-22           HR   \n",
      "348  349   Mary Johnson  23.0        M  55000.0 2023-03-22      Finance   \n",
      "349  350       John Doe  23.0     Male      NaN        NaT        Sales   \n",
      "350  351       John Doe  23.0        M  55000.0 2023-03-22           IT   \n",
      "351  352      Chris Lee  40.0        F  45000.0 2023-03-22  InvalidDept   \n",
      "352  353      Chris Lee  25.0        M      NaN 2021-06-01           HR   \n",
      "353  354  Invalid#Name!  40.0   Female      NaN 2020-01-15           IT   \n",
      "354  355     Anna Davis  25.0   Female  72000.0 2020-01-15  InvalidDept   \n",
      "355  356  Invalid#Name!  40.0  Unknown  72000.0 2020-01-15           IT   \n",
      "356  357     Anna Davis  40.0        M  80000.0 2020-01-15        Sales   \n",
      "357  358  Invalid#Name!  19.0   Female  55000.0 2023-03-22        Sales   \n",
      "358  359   Mary Johnson  30.0     Male      NaN        NaT        Sales   \n",
      "359  360      Chris Lee  40.0        M  80000.0        NaT           HR   \n",
      "360  361       John Doe  19.0        M      NaN 2021-06-01        Sales   \n",
      "361  362     Anna Davis  25.0  Unknown  55000.0 2021-06-01  InvalidDept   \n",
      "362  363     Anna Davis  30.0        F  72000.0 2023-03-22           IT   \n",
      "363  364       John Doe  40.0  Unknown  45000.0        NaT      Finance   \n",
      "364  365  Invalid#Name!  23.0        F  72000.0        NaT  InvalidDept   \n",
      "365  366     Anna Davis  25.0  Unknown  80000.0 2020-01-15  InvalidDept   \n",
      "366  367   Mary Johnson  25.0  Unknown      NaN 2023-03-22        Sales   \n",
      "367  368      Chris Lee  19.0  Unknown  45000.0 2023-03-22           HR   \n",
      "368  369       John Doe  25.0        F  80000.0 2020-01-15           IT   \n",
      "369  370      Chris Lee  30.0        F  55000.0 2023-03-22           HR   \n",
      "370  371     Anna Davis  40.0  Unknown  45000.0 2023-03-22           IT   \n",
      "371  372     Anna Davis  40.0   Female  80000.0 2021-06-01           IT   \n",
      "372  373       John Doe  23.0        M  55000.0        NaT           HR   \n",
      "373  374   Mary Johnson  19.0        M  72000.0 2023-03-22  InvalidDept   \n",
      "374  375     Jane Smith  23.0        M      NaN 2021-06-01           IT   \n",
      "375  376       John Doe  25.0        F  55000.0        NaT           HR   \n",
      "376  377     Jane Smith  23.0        F      NaN 2020-01-15           IT   \n",
      "377  378  Invalid#Name!  30.0   Female  55000.0 2021-06-01      Finance   \n",
      "378  379     Jane Smith  40.0        M  55000.0 2021-06-01  InvalidDept   \n",
      "379  380   Mary Johnson  25.0        M      NaN        NaT        Sales   \n",
      "380  381  Invalid#Name!  23.0  Unknown      NaN 2020-01-15           IT   \n",
      "381  382     Jane Smith  19.0        F  80000.0 2021-06-01      Finance   \n",
      "382  383  Invalid#Name!  30.0        M  80000.0 2023-03-22        Sales   \n",
      "383  384     Jane Smith  30.0        M  55000.0 2023-03-22        Sales   \n",
      "384  385   Mary Johnson  23.0   Female      NaN 2023-03-22           IT   \n",
      "385  386     Jane Smith  40.0        M      NaN 2020-01-15           HR   \n",
      "386  387     Jane Smith  23.0        M      NaN 2021-06-01           IT   \n",
      "387  388     Jane Smith  25.0   Female  72000.0 2023-03-22      Finance   \n",
      "388  389       John Doe  23.0        M  80000.0 2020-01-15        Sales   \n",
      "389  390       John Doe  30.0        M      NaN 2023-03-22           IT   \n",
      "390  391       John Doe  23.0        F  45000.0        NaT           HR   \n",
      "391  392   Mary Johnson  40.0   Female  80000.0 2021-06-01           IT   \n",
      "392  393  Invalid#Name!  19.0  Unknown      NaN 2021-06-01  InvalidDept   \n",
      "393  394     Anna Davis  25.0        M  80000.0 2020-01-15           HR   \n",
      "394  395     Jane Smith  23.0   Female  72000.0 2020-01-15      Finance   \n",
      "395  396     Jane Smith  40.0     Male  45000.0 2021-06-01        Sales   \n",
      "396  397   Mary Johnson  40.0     Male  72000.0 2023-03-22           IT   \n",
      "397  398     Jane Smith  19.0        F  45000.0 2023-03-22           HR   \n",
      "398  399       John Doe  30.0        M  55000.0        NaT  InvalidDept   \n",
      "399  400     Anna Davis  40.0        F      NaN 2023-03-22           HR   \n",
      "\n",
      "    Feedback Score  \n",
      "0              NaN  \n",
      "1                5  \n",
      "2    Not Available  \n",
      "3                3  \n",
      "4                4  \n",
      "5    Not Available  \n",
      "6                3  \n",
      "7                2  \n",
      "8                1  \n",
      "9              NaN  \n",
      "10               5  \n",
      "11               5  \n",
      "12               1  \n",
      "13             NaN  \n",
      "14               1  \n",
      "15               2  \n",
      "16               3  \n",
      "17   Not Available  \n",
      "18               5  \n",
      "19               2  \n",
      "20               3  \n",
      "21               2  \n",
      "22             NaN  \n",
      "23               5  \n",
      "24   Not Available  \n",
      "25               1  \n",
      "26               1  \n",
      "27               3  \n",
      "28   Not Available  \n",
      "29               4  \n",
      "30             NaN  \n",
      "31               3  \n",
      "32               4  \n",
      "33               2  \n",
      "34             NaN  \n",
      "35               2  \n",
      "36   Not Available  \n",
      "37               5  \n",
      "38             NaN  \n",
      "39               4  \n",
      "40               5  \n",
      "41               1  \n",
      "42               4  \n",
      "43               3  \n",
      "44               1  \n",
      "45               1  \n",
      "46               3  \n",
      "47             NaN  \n",
      "48               1  \n",
      "49   Not Available  \n",
      "50               4  \n",
      "51               5  \n",
      "52               1  \n",
      "53               4  \n",
      "54               2  \n",
      "55               4  \n",
      "56               5  \n",
      "57               4  \n",
      "58               3  \n",
      "59               5  \n",
      "60             NaN  \n",
      "61               2  \n",
      "62               3  \n",
      "63             NaN  \n",
      "64               4  \n",
      "65               5  \n",
      "66               2  \n",
      "67               3  \n",
      "68             NaN  \n",
      "69             NaN  \n",
      "70               2  \n",
      "71   Not Available  \n",
      "72               4  \n",
      "73               2  \n",
      "74             NaN  \n",
      "75               1  \n",
      "76               3  \n",
      "77               2  \n",
      "78   Not Available  \n",
      "79             NaN  \n",
      "80               4  \n",
      "81             NaN  \n",
      "82               4  \n",
      "83               2  \n",
      "84               4  \n",
      "85               5  \n",
      "86               5  \n",
      "87               5  \n",
      "88   Not Available  \n",
      "89   Not Available  \n",
      "90               1  \n",
      "91   Not Available  \n",
      "92               2  \n",
      "93             NaN  \n",
      "94             NaN  \n",
      "95               1  \n",
      "96   Not Available  \n",
      "97               4  \n",
      "98               1  \n",
      "99               4  \n",
      "100              4  \n",
      "101              3  \n",
      "102            NaN  \n",
      "103              5  \n",
      "104  Not Available  \n",
      "105              4  \n",
      "106              3  \n",
      "107            NaN  \n",
      "108              5  \n",
      "109              4  \n",
      "110              4  \n",
      "111              1  \n",
      "112              1  \n",
      "113            NaN  \n",
      "114              5  \n",
      "115              4  \n",
      "116            NaN  \n",
      "117            NaN  \n",
      "118              2  \n",
      "119  Not Available  \n",
      "120              1  \n",
      "121              5  \n",
      "122              4  \n",
      "123            NaN  \n",
      "124              4  \n",
      "125              2  \n",
      "126              5  \n",
      "127            NaN  \n",
      "128              4  \n",
      "129              1  \n",
      "130  Not Available  \n",
      "131              2  \n",
      "132              5  \n",
      "133              2  \n",
      "134              1  \n",
      "135              5  \n",
      "136              2  \n",
      "137              3  \n",
      "138              1  \n",
      "139              1  \n",
      "140              1  \n",
      "141              3  \n",
      "142              3  \n",
      "143              4  \n",
      "144            NaN  \n",
      "145  Not Available  \n",
      "146              2  \n",
      "147              4  \n",
      "148              2  \n",
      "149  Not Available  \n",
      "150            NaN  \n",
      "151              3  \n",
      "152            NaN  \n",
      "153              3  \n",
      "154  Not Available  \n",
      "155            NaN  \n",
      "156              4  \n",
      "157              5  \n",
      "158              4  \n",
      "159              2  \n",
      "160              4  \n",
      "161  Not Available  \n",
      "162              1  \n",
      "163              2  \n",
      "164            NaN  \n",
      "165              2  \n",
      "166              5  \n",
      "167              3  \n",
      "168            NaN  \n",
      "169              2  \n",
      "170            NaN  \n",
      "171            NaN  \n",
      "172            NaN  \n",
      "173              3  \n",
      "174  Not Available  \n",
      "175              4  \n",
      "176            NaN  \n",
      "177              1  \n",
      "178  Not Available  \n",
      "179              5  \n",
      "180              3  \n",
      "181              2  \n",
      "182              3  \n",
      "183              2  \n",
      "184              3  \n",
      "185              2  \n",
      "186            NaN  \n",
      "187              4  \n",
      "188              2  \n",
      "189              2  \n",
      "190              1  \n",
      "191              2  \n",
      "192              1  \n",
      "193              5  \n",
      "194            NaN  \n",
      "195              1  \n",
      "196              4  \n",
      "197  Not Available  \n",
      "198            NaN  \n",
      "199              1  \n",
      "200            NaN  \n",
      "201            NaN  \n",
      "202            NaN  \n",
      "203              5  \n",
      "204              4  \n",
      "205              3  \n",
      "206              3  \n",
      "207              1  \n",
      "208            NaN  \n",
      "209              1  \n",
      "210              5  \n",
      "211              5  \n",
      "212              2  \n",
      "213              5  \n",
      "214              2  \n",
      "215              4  \n",
      "216              1  \n",
      "217  Not Available  \n",
      "218              4  \n",
      "219              5  \n",
      "220              4  \n",
      "221              4  \n",
      "222              4  \n",
      "223              5  \n",
      "224  Not Available  \n",
      "225            NaN  \n",
      "226              4  \n",
      "227              2  \n",
      "228              5  \n",
      "229              4  \n",
      "230  Not Available  \n",
      "231            NaN  \n",
      "232              5  \n",
      "233              3  \n",
      "234            NaN  \n",
      "235              2  \n",
      "236              4  \n",
      "237  Not Available  \n",
      "238              3  \n",
      "239  Not Available  \n",
      "240              3  \n",
      "241              5  \n",
      "242              3  \n",
      "243              2  \n",
      "244              2  \n",
      "245              1  \n",
      "246              2  \n",
      "247            NaN  \n",
      "248              3  \n",
      "249              2  \n",
      "250              5  \n",
      "251  Not Available  \n",
      "252  Not Available  \n",
      "253              1  \n",
      "254  Not Available  \n",
      "255              3  \n",
      "256              1  \n",
      "257              3  \n",
      "258              5  \n",
      "259              1  \n",
      "260              4  \n",
      "261            NaN  \n",
      "262            NaN  \n",
      "263              3  \n",
      "264  Not Available  \n",
      "265              4  \n",
      "266              1  \n",
      "267              4  \n",
      "268              4  \n",
      "269  Not Available  \n",
      "270              1  \n",
      "271              5  \n",
      "272  Not Available  \n",
      "273              4  \n",
      "274              4  \n",
      "275              5  \n",
      "276              4  \n",
      "277              4  \n",
      "278              4  \n",
      "279            NaN  \n",
      "280  Not Available  \n",
      "281              2  \n",
      "282  Not Available  \n",
      "283              5  \n",
      "284              4  \n",
      "285  Not Available  \n",
      "286            NaN  \n",
      "287              5  \n",
      "288              3  \n",
      "289  Not Available  \n",
      "290              3  \n",
      "291              4  \n",
      "292            NaN  \n",
      "293            NaN  \n",
      "294  Not Available  \n",
      "295              5  \n",
      "296              5  \n",
      "297            NaN  \n",
      "298              5  \n",
      "299            NaN  \n",
      "300  Not Available  \n",
      "301              2  \n",
      "302            NaN  \n",
      "303              3  \n",
      "304              5  \n",
      "305            NaN  \n",
      "306            NaN  \n",
      "307  Not Available  \n",
      "308              5  \n",
      "309              2  \n",
      "310  Not Available  \n",
      "311              2  \n",
      "312  Not Available  \n",
      "313              5  \n",
      "314              1  \n",
      "315              5  \n",
      "316              5  \n",
      "317              2  \n",
      "318              2  \n",
      "319              5  \n",
      "320              5  \n",
      "321              5  \n",
      "322              2  \n",
      "323              5  \n",
      "324              5  \n",
      "325              4  \n",
      "326              1  \n",
      "327              3  \n",
      "328              1  \n",
      "329              4  \n",
      "330              3  \n",
      "331  Not Available  \n",
      "332              5  \n",
      "333              4  \n",
      "334  Not Available  \n",
      "335              5  \n",
      "336              2  \n",
      "337            NaN  \n",
      "338              4  \n",
      "339              2  \n",
      "340              4  \n",
      "341              4  \n",
      "342              2  \n",
      "343              3  \n",
      "344              1  \n",
      "345              5  \n",
      "346              4  \n",
      "347              5  \n",
      "348            NaN  \n",
      "349              2  \n",
      "350              5  \n",
      "351              2  \n",
      "352              5  \n",
      "353              1  \n",
      "354              1  \n",
      "355              1  \n",
      "356              1  \n",
      "357              1  \n",
      "358              1  \n",
      "359              2  \n",
      "360              4  \n",
      "361              5  \n",
      "362              1  \n",
      "363              2  \n",
      "364              2  \n",
      "365              2  \n",
      "366              4  \n",
      "367              5  \n",
      "368              4  \n",
      "369              3  \n",
      "370  Not Available  \n",
      "371              2  \n",
      "372              3  \n",
      "373            NaN  \n",
      "374              1  \n",
      "375  Not Available  \n",
      "376              1  \n",
      "377              4  \n",
      "378  Not Available  \n",
      "379              5  \n",
      "380              3  \n",
      "381              5  \n",
      "382              4  \n",
      "383              1  \n",
      "384  Not Available  \n",
      "385              5  \n",
      "386              5  \n",
      "387              1  \n",
      "388  Not Available  \n",
      "389              3  \n",
      "390              1  \n",
      "391              5  \n",
      "392              3  \n",
      "393              3  \n",
      "394              1  \n",
      "395              5  \n",
      "396              4  \n",
      "397              5  \n",
      "398              2  \n",
      "399  Not Available  \n"
     ]
    }
   ],
   "source": [
    "data['Salary'] = pd.to_numeric(data['Salary'], errors='coerce')\n",
    "pd.set_option('display.max_rows', None)  # Show all rows\n",
    "pd.set_option('display.max_columns', None)  # Show all columns\n",
    "\n",
    "# Display the entire DataFrame\n",
    "print(data)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "2bbbe495",
   "metadata": {
    "papermill": {
     "duration": 0.011436,
     "end_time": "2024-10-05T18:11:01.945807",
     "exception": false,
     "start_time": "2024-10-05T18:11:01.934371",
     "status": "completed"
    },
    "tags": []
   },
   "source": [
    "#  delete rows containing NaN (missing) values in your DataFrame"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "90e86201",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2024-10-05T18:11:01.970927Z",
     "iopub.status.busy": "2024-10-05T18:11:01.970501Z",
     "iopub.status.idle": "2024-10-05T18:11:02.009480Z",
     "shell.execute_reply": "2024-10-05T18:11:02.008139Z"
    },
    "papermill": {
     "duration": 0.055022,
     "end_time": "2024-10-05T18:11:02.012538",
     "exception": false,
     "start_time": "2024-10-05T18:11:01.957516",
     "status": "completed"
    },
    "tags": []
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "      ID           Name   Age   Gender   Salary  Join Date   Department  \\\n",
      "3      4     Anna Davis  25.0   Female  80000.0 2023-03-22           IT   \n",
      "4      5     Anna Davis  40.0   Female  80000.0 2020-01-15           IT   \n",
      "5      6     Jane Smith  25.0        M  55000.0 2020-01-15      Finance   \n",
      "6      7   Mary Johnson  23.0     Male  45000.0 2021-06-01  InvalidDept   \n",
      "7      8   Mary Johnson  19.0  Unknown  72000.0 2020-01-15           HR   \n",
      "12    13  Invalid#Name!  25.0        M  80000.0 2021-06-01      Finance   \n",
      "14    15     Jane Smith  19.0  Unknown  45000.0 2023-03-22           HR   \n",
      "17    18  Invalid#Name!  25.0     Male  45000.0 2020-01-15        Sales   \n",
      "19    20      Chris Lee  40.0   Female  80000.0 2023-03-22           HR   \n",
      "20    21     Anna Davis  19.0        F  80000.0 2020-01-15           IT   \n",
      "21    22       John Doe  25.0   Female  55000.0 2020-01-15           IT   \n",
      "26    27      Chris Lee  25.0        M  45000.0 2020-01-15           HR   \n",
      "29    30   Mary Johnson  30.0        F  80000.0 2023-03-22           HR   \n",
      "32    33      Chris Lee  23.0        F  45000.0 2021-06-01           IT   \n",
      "33    34      Chris Lee  40.0  Unknown  55000.0 2020-01-15           IT   \n",
      "35    36  Invalid#Name!  25.0        M  45000.0 2020-01-15           IT   \n",
      "37    38   Mary Johnson  40.0     Male  55000.0 2023-03-22           IT   \n",
      "40    41       John Doe  40.0  Unknown  72000.0 2023-03-22           HR   \n",
      "42    43     Anna Davis  19.0   Female  55000.0 2021-06-01  InvalidDept   \n",
      "45    46       John Doe  40.0        M  55000.0 2021-06-01           HR   \n",
      "46    47     Jane Smith  25.0        F  55000.0 2020-01-15           HR   \n",
      "48    49       John Doe  25.0        M  55000.0 2020-01-15           IT   \n",
      "50    51  Invalid#Name!  30.0   Female  45000.0 2023-03-22           IT   \n",
      "53    54       John Doe  25.0        M  72000.0 2023-03-22      Finance   \n",
      "57    58      Chris Lee  25.0     Male  45000.0 2021-06-01           IT   \n",
      "58    59      Chris Lee  40.0        M  72000.0 2020-01-15           IT   \n",
      "61    62     Anna Davis  25.0        M  45000.0 2021-06-01        Sales   \n",
      "62    63   Mary Johnson  40.0   Female  45000.0 2021-06-01           IT   \n",
      "66    67     Jane Smith  23.0  Unknown  55000.0 2021-06-01        Sales   \n",
      "67    68      Chris Lee  25.0        F  72000.0 2020-01-15  InvalidDept   \n",
      "71    72  Invalid#Name!  40.0     Male  45000.0 2023-03-22           IT   \n",
      "72    73     Jane Smith  40.0        F  72000.0 2021-06-01      Finance   \n",
      "73    74      Chris Lee  23.0        F  45000.0 2020-01-15        Sales   \n",
      "75    76     Anna Davis  40.0   Female  72000.0 2021-06-01  InvalidDept   \n",
      "78    79      Chris Lee  30.0   Female  72000.0 2020-01-15        Sales   \n",
      "82    83      Chris Lee  40.0        M  80000.0 2021-06-01  InvalidDept   \n",
      "89    90     Anna Davis  23.0        F  80000.0 2021-06-01      Finance   \n",
      "90    91     Jane Smith  19.0     Male  45000.0 2021-06-01  InvalidDept   \n",
      "91    92     Anna Davis  19.0        M  80000.0 2020-01-15  InvalidDept   \n",
      "92    93     Jane Smith  19.0        M  80000.0 2023-03-22           HR   \n",
      "96    97      Chris Lee  25.0  Unknown  45000.0 2021-06-01           IT   \n",
      "99   100     Anna Davis  25.0        M  55000.0 2020-01-15  InvalidDept   \n",
      "103  104       John Doe  40.0        F  45000.0 2023-03-22        Sales   \n",
      "104  105       John Doe  25.0   Female  55000.0 2021-06-01        Sales   \n",
      "108  109       John Doe  25.0        M  72000.0 2020-01-15           HR   \n",
      "109  110   Mary Johnson  25.0     Male  45000.0 2023-03-22        Sales   \n",
      "112  113   Mary Johnson  25.0        F  55000.0 2023-03-22           IT   \n",
      "118  119       John Doe  25.0   Female  45000.0 2023-03-22      Finance   \n",
      "119  120      Chris Lee  25.0  Unknown  72000.0 2021-06-01      Finance   \n",
      "120  121     Jane Smith  23.0        M  55000.0 2020-01-15           IT   \n",
      "122  123  Invalid#Name!  30.0   Female  45000.0 2023-03-22        Sales   \n",
      "128  129   Mary Johnson  23.0  Unknown  45000.0 2023-03-22      Finance   \n",
      "129  130       John Doe  23.0     Male  80000.0 2023-03-22           IT   \n",
      "132  133  Invalid#Name!  30.0     Male  45000.0 2023-03-22        Sales   \n",
      "134  135       John Doe  25.0        M  55000.0 2020-01-15  InvalidDept   \n",
      "139  140       John Doe  30.0   Female  72000.0 2020-01-15  InvalidDept   \n",
      "140  141     Jane Smith  25.0        F  72000.0 2023-03-22           HR   \n",
      "141  142     Jane Smith  40.0        M  80000.0 2023-03-22        Sales   \n",
      "143  144     Anna Davis  25.0  Unknown  80000.0 2023-03-22           HR   \n",
      "145  146       John Doe  25.0        M  55000.0 2020-01-15           HR   \n",
      "146  147      Chris Lee  40.0        M  55000.0 2020-01-15           HR   \n",
      "147  148     Anna Davis  30.0        M  45000.0 2021-06-01        Sales   \n",
      "148  149      Chris Lee  25.0        M  80000.0 2023-03-22           IT   \n",
      "154  155      Chris Lee  25.0   Female  72000.0 2021-06-01        Sales   \n",
      "156  157   Mary Johnson  19.0        M  55000.0 2023-03-22      Finance   \n",
      "157  158   Mary Johnson  25.0        M  45000.0 2023-03-22           IT   \n",
      "158  159  Invalid#Name!  30.0     Male  80000.0 2021-06-01      Finance   \n",
      "159  160      Chris Lee  23.0  Unknown  72000.0 2023-03-22           IT   \n",
      "161  162     Jane Smith  25.0   Female  55000.0 2020-01-15           IT   \n",
      "162  163     Anna Davis  40.0     Male  55000.0 2020-01-15        Sales   \n",
      "165  166     Anna Davis  30.0   Female  72000.0 2023-03-22  InvalidDept   \n",
      "167  168      Chris Lee  25.0        F  80000.0 2023-03-22      Finance   \n",
      "173  174  Invalid#Name!  25.0        F  72000.0 2023-03-22           HR   \n",
      "175  176     Jane Smith  23.0        M  72000.0 2020-01-15  InvalidDept   \n",
      "178  179  Invalid#Name!  30.0   Female  72000.0 2020-01-15  InvalidDept   \n",
      "179  180       John Doe  25.0        F  45000.0 2020-01-15           HR   \n",
      "180  181       John Doe  25.0        M  55000.0 2021-06-01           HR   \n",
      "184  185       John Doe  25.0        M  45000.0 2021-06-01      Finance   \n",
      "185  186      Chris Lee  23.0   Female  55000.0 2023-03-22  InvalidDept   \n",
      "187  188       John Doe  23.0  Unknown  45000.0 2020-01-15           IT   \n",
      "189  190  Invalid#Name!  23.0        F  45000.0 2020-01-15           HR   \n",
      "190  191   Mary Johnson  19.0   Female  55000.0 2021-06-01  InvalidDept   \n",
      "191  192       John Doe  23.0   Female  80000.0 2020-01-15        Sales   \n",
      "199  200  Invalid#Name!  30.0  Unknown  55000.0 2020-01-15  InvalidDept   \n",
      "203  204  Invalid#Name!  40.0        M  55000.0 2021-06-01        Sales   \n",
      "204  205       John Doe  23.0        F  80000.0 2023-03-22           IT   \n",
      "207  208      Chris Lee  23.0        M  55000.0 2020-01-15           IT   \n",
      "209  210     Jane Smith  19.0        M  55000.0 2023-03-22      Finance   \n",
      "211  212       John Doe  30.0        M  45000.0 2021-06-01           HR   \n",
      "213  214       John Doe  40.0  Unknown  55000.0 2020-01-15  InvalidDept   \n",
      "214  215       John Doe  40.0        F  45000.0 2021-06-01           HR   \n",
      "216  217       John Doe  25.0   Female  45000.0 2020-01-15           IT   \n",
      "218  219     Jane Smith  25.0        F  55000.0 2020-01-15        Sales   \n",
      "219  220      Chris Lee  30.0        M  72000.0 2023-03-22  InvalidDept   \n",
      "221  222     Anna Davis  25.0        M  55000.0 2021-06-01           IT   \n",
      "223  224       John Doe  23.0     Male  80000.0 2023-03-22        Sales   \n",
      "228  229      Chris Lee  19.0     Male  55000.0 2021-06-01  InvalidDept   \n",
      "230  231  Invalid#Name!  40.0        M  80000.0 2021-06-01           HR   \n",
      "232  233   Mary Johnson  40.0        M  80000.0 2021-06-01      Finance   \n",
      "233  234   Mary Johnson  30.0  Unknown  55000.0 2020-01-15           IT   \n",
      "235  236  Invalid#Name!  25.0  Unknown  45000.0 2021-06-01           IT   \n",
      "237  238      Chris Lee  23.0   Female  80000.0 2023-03-22           IT   \n",
      "238  239     Jane Smith  25.0        M  72000.0 2023-03-22           HR   \n",
      "240  241  Invalid#Name!  25.0        M  55000.0 2021-06-01      Finance   \n",
      "242  243       John Doe  40.0     Male  55000.0 2020-01-15        Sales   \n",
      "243  244       John Doe  19.0        F  72000.0 2021-06-01           HR   \n",
      "246  247  Invalid#Name!  25.0     Male  45000.0 2023-03-22  InvalidDept   \n",
      "248  249   Mary Johnson  25.0        M  80000.0 2021-06-01           HR   \n",
      "249  250      Chris Lee  30.0        M  72000.0 2023-03-22           IT   \n",
      "251  252   Mary Johnson  25.0        M  55000.0 2023-03-22           IT   \n",
      "252  253      Chris Lee  40.0        M  80000.0 2020-01-15           IT   \n",
      "253  254   Mary Johnson  40.0        F  80000.0 2023-03-22           HR   \n",
      "256  257   Mary Johnson  30.0        M  72000.0 2021-06-01           HR   \n",
      "257  258      Chris Lee  40.0     Male  45000.0 2021-06-01  InvalidDept   \n",
      "264  265      Chris Lee  25.0   Female  80000.0 2021-06-01           IT   \n",
      "265  266       John Doe  25.0  Unknown  45000.0 2021-06-01  InvalidDept   \n",
      "266  267       John Doe  19.0   Female  55000.0 2023-03-22        Sales   \n",
      "268  269  Invalid#Name!  30.0     Male  72000.0 2020-01-15           IT   \n",
      "273  274       John Doe  25.0        M  45000.0 2023-03-22  InvalidDept   \n",
      "280  281      Chris Lee  25.0        F  55000.0 2021-06-01           IT   \n",
      "283  284   Mary Johnson  25.0        M  45000.0 2023-03-22        Sales   \n",
      "288  289   Mary Johnson  23.0        F  80000.0 2021-06-01           HR   \n",
      "290  291  Invalid#Name!  40.0        M  55000.0 2021-06-01        Sales   \n",
      "291  292       John Doe  25.0     Male  45000.0 2021-06-01           IT   \n",
      "294  295       John Doe  25.0  Unknown  55000.0 2020-01-15           IT   \n",
      "296  297  Invalid#Name!  23.0     Male  72000.0 2020-01-15           HR   \n",
      "301  302       John Doe  25.0        M  55000.0 2020-01-15        Sales   \n",
      "304  305     Anna Davis  40.0  Unknown  80000.0 2023-03-22           IT   \n",
      "308  309     Jane Smith  40.0   Female  45000.0 2021-06-01           IT   \n",
      "309  310  Invalid#Name!  30.0        M  80000.0 2023-03-22  InvalidDept   \n",
      "310  311   Mary Johnson  25.0        F  45000.0 2021-06-01        Sales   \n",
      "314  315       John Doe  30.0     Male  72000.0 2020-01-15        Sales   \n",
      "317  318  Invalid#Name!  25.0        M  80000.0 2023-03-22  InvalidDept   \n",
      "318  319     Anna Davis  23.0  Unknown  45000.0 2023-03-22  InvalidDept   \n",
      "319  320      Chris Lee  23.0        M  80000.0 2020-01-15      Finance   \n",
      "322  323       John Doe  40.0     Male  45000.0 2023-03-22           HR   \n",
      "323  324      Chris Lee  19.0     Male  55000.0 2020-01-15        Sales   \n",
      "325  326   Mary Johnson  30.0   Female  72000.0 2023-03-22      Finance   \n",
      "328  329  Invalid#Name!  25.0        M  45000.0 2020-01-15  InvalidDept   \n",
      "329  330  Invalid#Name!  25.0        M  80000.0 2020-01-15      Finance   \n",
      "332  333     Anna Davis  25.0        M  45000.0 2020-01-15        Sales   \n",
      "333  334   Mary Johnson  40.0        M  55000.0 2021-06-01  InvalidDept   \n",
      "334  335  Invalid#Name!  25.0   Female  80000.0 2023-03-22        Sales   \n",
      "338  339     Anna Davis  25.0        F  80000.0 2020-01-15      Finance   \n",
      "341  342      Chris Lee  25.0        F  55000.0 2020-01-15           IT   \n",
      "343  344     Anna Davis  40.0        M  80000.0 2023-03-22           HR   \n",
      "344  345      Chris Lee  23.0     Male  55000.0 2023-03-22  InvalidDept   \n",
      "350  351       John Doe  23.0        M  55000.0 2023-03-22           IT   \n",
      "351  352      Chris Lee  40.0        F  45000.0 2023-03-22  InvalidDept   \n",
      "354  355     Anna Davis  25.0   Female  72000.0 2020-01-15  InvalidDept   \n",
      "355  356  Invalid#Name!  40.0  Unknown  72000.0 2020-01-15           IT   \n",
      "356  357     Anna Davis  40.0        M  80000.0 2020-01-15        Sales   \n",
      "357  358  Invalid#Name!  19.0   Female  55000.0 2023-03-22        Sales   \n",
      "361  362     Anna Davis  25.0  Unknown  55000.0 2021-06-01  InvalidDept   \n",
      "362  363     Anna Davis  30.0        F  72000.0 2023-03-22           IT   \n",
      "365  366     Anna Davis  25.0  Unknown  80000.0 2020-01-15  InvalidDept   \n",
      "367  368      Chris Lee  19.0  Unknown  45000.0 2023-03-22           HR   \n",
      "368  369       John Doe  25.0        F  80000.0 2020-01-15           IT   \n",
      "369  370      Chris Lee  30.0        F  55000.0 2023-03-22           HR   \n",
      "370  371     Anna Davis  40.0  Unknown  45000.0 2023-03-22           IT   \n",
      "371  372     Anna Davis  40.0   Female  80000.0 2021-06-01           IT   \n",
      "377  378  Invalid#Name!  30.0   Female  55000.0 2021-06-01      Finance   \n",
      "378  379     Jane Smith  40.0        M  55000.0 2021-06-01  InvalidDept   \n",
      "381  382     Jane Smith  19.0        F  80000.0 2021-06-01      Finance   \n",
      "382  383  Invalid#Name!  30.0        M  80000.0 2023-03-22        Sales   \n",
      "383  384     Jane Smith  30.0        M  55000.0 2023-03-22        Sales   \n",
      "387  388     Jane Smith  25.0   Female  72000.0 2023-03-22      Finance   \n",
      "388  389       John Doe  23.0        M  80000.0 2020-01-15        Sales   \n",
      "391  392   Mary Johnson  40.0   Female  80000.0 2021-06-01           IT   \n",
      "393  394     Anna Davis  25.0        M  80000.0 2020-01-15           HR   \n",
      "394  395     Jane Smith  23.0   Female  72000.0 2020-01-15      Finance   \n",
      "395  396     Jane Smith  40.0     Male  45000.0 2021-06-01        Sales   \n",
      "396  397   Mary Johnson  40.0     Male  72000.0 2023-03-22           IT   \n",
      "397  398     Jane Smith  19.0        F  45000.0 2023-03-22           HR   \n",
      "\n",
      "    Feedback Score  \n",
      "3                3  \n",
      "4                4  \n",
      "5    Not Available  \n",
      "6                3  \n",
      "7                2  \n",
      "12               1  \n",
      "14               1  \n",
      "17   Not Available  \n",
      "19               2  \n",
      "20               3  \n",
      "21               2  \n",
      "26               1  \n",
      "29               4  \n",
      "32               4  \n",
      "33               2  \n",
      "35               2  \n",
      "37               5  \n",
      "40               5  \n",
      "42               4  \n",
      "45               1  \n",
      "46               3  \n",
      "48               1  \n",
      "50               4  \n",
      "53               4  \n",
      "57               4  \n",
      "58               3  \n",
      "61               2  \n",
      "62               3  \n",
      "66               2  \n",
      "67               3  \n",
      "71   Not Available  \n",
      "72               4  \n",
      "73               2  \n",
      "75               1  \n",
      "78   Not Available  \n",
      "82               4  \n",
      "89   Not Available  \n",
      "90               1  \n",
      "91   Not Available  \n",
      "92               2  \n",
      "96   Not Available  \n",
      "99               4  \n",
      "103              5  \n",
      "104  Not Available  \n",
      "108              5  \n",
      "109              4  \n",
      "112              1  \n",
      "118              2  \n",
      "119  Not Available  \n",
      "120              1  \n",
      "122              4  \n",
      "128              4  \n",
      "129              1  \n",
      "132              5  \n",
      "134              1  \n",
      "139              1  \n",
      "140              1  \n",
      "141              3  \n",
      "143              4  \n",
      "145  Not Available  \n",
      "146              2  \n",
      "147              4  \n",
      "148              2  \n",
      "154  Not Available  \n",
      "156              4  \n",
      "157              5  \n",
      "158              4  \n",
      "159              2  \n",
      "161  Not Available  \n",
      "162              1  \n",
      "165              2  \n",
      "167              3  \n",
      "173              3  \n",
      "175              4  \n",
      "178  Not Available  \n",
      "179              5  \n",
      "180              3  \n",
      "184              3  \n",
      "185              2  \n",
      "187              4  \n",
      "189              2  \n",
      "190              1  \n",
      "191              2  \n",
      "199              1  \n",
      "203              5  \n",
      "204              4  \n",
      "207              1  \n",
      "209              1  \n",
      "211              5  \n",
      "213              5  \n",
      "214              2  \n",
      "216              1  \n",
      "218              4  \n",
      "219              5  \n",
      "221              4  \n",
      "223              5  \n",
      "228              5  \n",
      "230  Not Available  \n",
      "232              5  \n",
      "233              3  \n",
      "235              2  \n",
      "237  Not Available  \n",
      "238              3  \n",
      "240              3  \n",
      "242              3  \n",
      "243              2  \n",
      "246              2  \n",
      "248              3  \n",
      "249              2  \n",
      "251  Not Available  \n",
      "252  Not Available  \n",
      "253              1  \n",
      "256              1  \n",
      "257              3  \n",
      "264  Not Available  \n",
      "265              4  \n",
      "266              1  \n",
      "268              4  \n",
      "273              4  \n",
      "280  Not Available  \n",
      "283              5  \n",
      "288              3  \n",
      "290              3  \n",
      "291              4  \n",
      "294  Not Available  \n",
      "296              5  \n",
      "301              2  \n",
      "304              5  \n",
      "308              5  \n",
      "309              2  \n",
      "310  Not Available  \n",
      "314              1  \n",
      "317              2  \n",
      "318              2  \n",
      "319              5  \n",
      "322              2  \n",
      "323              5  \n",
      "325              4  \n",
      "328              1  \n",
      "329              4  \n",
      "332              5  \n",
      "333              4  \n",
      "334  Not Available  \n",
      "338              4  \n",
      "341              4  \n",
      "343              3  \n",
      "344              1  \n",
      "350              5  \n",
      "351              2  \n",
      "354              1  \n",
      "355              1  \n",
      "356              1  \n",
      "357              1  \n",
      "361              5  \n",
      "362              1  \n",
      "365              2  \n",
      "367              5  \n",
      "368              4  \n",
      "369              3  \n",
      "370  Not Available  \n",
      "371              2  \n",
      "377              4  \n",
      "378  Not Available  \n",
      "381              5  \n",
      "382              4  \n",
      "383              1  \n",
      "387              1  \n",
      "388  Not Available  \n",
      "391              5  \n",
      "393              3  \n",
      "394              1  \n",
      "395              5  \n",
      "396              4  \n",
      "397              5  \n"
     ]
    }
   ],
   "source": [
    "data['Salary'] = pd.to_numeric(data['Salary'], errors='coerce')\n",
    "\n",
    "# Drop rows with any NaN values\n",
    "data = data.dropna()\n",
    "\n",
    "\n",
    "pd.set_option('display.max_rows', None)  \n",
    "pd.set_option('display.max_columns', None)  \n",
    "\n",
    "# Display the entire DataFrame\n",
    "print(data)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "a54e20f8",
   "metadata": {
    "papermill": {
     "duration": 0.011785,
     "end_time": "2024-10-05T18:11:02.036230",
     "exception": false,
     "start_time": "2024-10-05T18:11:02.024445",
     "status": "completed"
    },
    "tags": []
   },
   "source": [
    "\n",
    "# For Join Date, convert to datetime"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "288aa8c5",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2024-10-05T18:11:02.061786Z",
     "iopub.status.busy": "2024-10-05T18:11:02.061349Z",
     "iopub.status.idle": "2024-10-05T18:11:02.091872Z",
     "shell.execute_reply": "2024-10-05T18:11:02.090852Z"
    },
    "papermill": {
     "duration": 0.046814,
     "end_time": "2024-10-05T18:11:02.094965",
     "exception": false,
     "start_time": "2024-10-05T18:11:02.048151",
     "status": "completed"
    },
    "tags": []
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "      ID           Name   Age   Gender   Salary  Join Date   Department  \\\n",
      "3      4     Anna Davis  25.0   Female  80000.0 2023-03-22           IT   \n",
      "4      5     Anna Davis  40.0   Female  80000.0 2020-01-15           IT   \n",
      "5      6     Jane Smith  25.0        M  55000.0 2020-01-15      Finance   \n",
      "6      7   Mary Johnson  23.0     Male  45000.0 2021-06-01  InvalidDept   \n",
      "7      8   Mary Johnson  19.0  Unknown  72000.0 2020-01-15           HR   \n",
      "12    13  Invalid#Name!  25.0        M  80000.0 2021-06-01      Finance   \n",
      "14    15     Jane Smith  19.0  Unknown  45000.0 2023-03-22           HR   \n",
      "17    18  Invalid#Name!  25.0     Male  45000.0 2020-01-15        Sales   \n",
      "19    20      Chris Lee  40.0   Female  80000.0 2023-03-22           HR   \n",
      "20    21     Anna Davis  19.0        F  80000.0 2020-01-15           IT   \n",
      "21    22       John Doe  25.0   Female  55000.0 2020-01-15           IT   \n",
      "26    27      Chris Lee  25.0        M  45000.0 2020-01-15           HR   \n",
      "29    30   Mary Johnson  30.0        F  80000.0 2023-03-22           HR   \n",
      "32    33      Chris Lee  23.0        F  45000.0 2021-06-01           IT   \n",
      "33    34      Chris Lee  40.0  Unknown  55000.0 2020-01-15           IT   \n",
      "35    36  Invalid#Name!  25.0        M  45000.0 2020-01-15           IT   \n",
      "37    38   Mary Johnson  40.0     Male  55000.0 2023-03-22           IT   \n",
      "40    41       John Doe  40.0  Unknown  72000.0 2023-03-22           HR   \n",
      "42    43     Anna Davis  19.0   Female  55000.0 2021-06-01  InvalidDept   \n",
      "45    46       John Doe  40.0        M  55000.0 2021-06-01           HR   \n",
      "46    47     Jane Smith  25.0        F  55000.0 2020-01-15           HR   \n",
      "48    49       John Doe  25.0        M  55000.0 2020-01-15           IT   \n",
      "50    51  Invalid#Name!  30.0   Female  45000.0 2023-03-22           IT   \n",
      "53    54       John Doe  25.0        M  72000.0 2023-03-22      Finance   \n",
      "57    58      Chris Lee  25.0     Male  45000.0 2021-06-01           IT   \n",
      "58    59      Chris Lee  40.0        M  72000.0 2020-01-15           IT   \n",
      "61    62     Anna Davis  25.0        M  45000.0 2021-06-01        Sales   \n",
      "62    63   Mary Johnson  40.0   Female  45000.0 2021-06-01           IT   \n",
      "66    67     Jane Smith  23.0  Unknown  55000.0 2021-06-01        Sales   \n",
      "67    68      Chris Lee  25.0        F  72000.0 2020-01-15  InvalidDept   \n",
      "71    72  Invalid#Name!  40.0     Male  45000.0 2023-03-22           IT   \n",
      "72    73     Jane Smith  40.0        F  72000.0 2021-06-01      Finance   \n",
      "73    74      Chris Lee  23.0        F  45000.0 2020-01-15        Sales   \n",
      "75    76     Anna Davis  40.0   Female  72000.0 2021-06-01  InvalidDept   \n",
      "78    79      Chris Lee  30.0   Female  72000.0 2020-01-15        Sales   \n",
      "82    83      Chris Lee  40.0        M  80000.0 2021-06-01  InvalidDept   \n",
      "89    90     Anna Davis  23.0        F  80000.0 2021-06-01      Finance   \n",
      "90    91     Jane Smith  19.0     Male  45000.0 2021-06-01  InvalidDept   \n",
      "91    92     Anna Davis  19.0        M  80000.0 2020-01-15  InvalidDept   \n",
      "92    93     Jane Smith  19.0        M  80000.0 2023-03-22           HR   \n",
      "96    97      Chris Lee  25.0  Unknown  45000.0 2021-06-01           IT   \n",
      "99   100     Anna Davis  25.0        M  55000.0 2020-01-15  InvalidDept   \n",
      "103  104       John Doe  40.0        F  45000.0 2023-03-22        Sales   \n",
      "104  105       John Doe  25.0   Female  55000.0 2021-06-01        Sales   \n",
      "108  109       John Doe  25.0        M  72000.0 2020-01-15           HR   \n",
      "109  110   Mary Johnson  25.0     Male  45000.0 2023-03-22        Sales   \n",
      "112  113   Mary Johnson  25.0        F  55000.0 2023-03-22           IT   \n",
      "118  119       John Doe  25.0   Female  45000.0 2023-03-22      Finance   \n",
      "119  120      Chris Lee  25.0  Unknown  72000.0 2021-06-01      Finance   \n",
      "120  121     Jane Smith  23.0        M  55000.0 2020-01-15           IT   \n",
      "122  123  Invalid#Name!  30.0   Female  45000.0 2023-03-22        Sales   \n",
      "128  129   Mary Johnson  23.0  Unknown  45000.0 2023-03-22      Finance   \n",
      "129  130       John Doe  23.0     Male  80000.0 2023-03-22           IT   \n",
      "132  133  Invalid#Name!  30.0     Male  45000.0 2023-03-22        Sales   \n",
      "134  135       John Doe  25.0        M  55000.0 2020-01-15  InvalidDept   \n",
      "139  140       John Doe  30.0   Female  72000.0 2020-01-15  InvalidDept   \n",
      "140  141     Jane Smith  25.0        F  72000.0 2023-03-22           HR   \n",
      "141  142     Jane Smith  40.0        M  80000.0 2023-03-22        Sales   \n",
      "143  144     Anna Davis  25.0  Unknown  80000.0 2023-03-22           HR   \n",
      "145  146       John Doe  25.0        M  55000.0 2020-01-15           HR   \n",
      "146  147      Chris Lee  40.0        M  55000.0 2020-01-15           HR   \n",
      "147  148     Anna Davis  30.0        M  45000.0 2021-06-01        Sales   \n",
      "148  149      Chris Lee  25.0        M  80000.0 2023-03-22           IT   \n",
      "154  155      Chris Lee  25.0   Female  72000.0 2021-06-01        Sales   \n",
      "156  157   Mary Johnson  19.0        M  55000.0 2023-03-22      Finance   \n",
      "157  158   Mary Johnson  25.0        M  45000.0 2023-03-22           IT   \n",
      "158  159  Invalid#Name!  30.0     Male  80000.0 2021-06-01      Finance   \n",
      "159  160      Chris Lee  23.0  Unknown  72000.0 2023-03-22           IT   \n",
      "161  162     Jane Smith  25.0   Female  55000.0 2020-01-15           IT   \n",
      "162  163     Anna Davis  40.0     Male  55000.0 2020-01-15        Sales   \n",
      "165  166     Anna Davis  30.0   Female  72000.0 2023-03-22  InvalidDept   \n",
      "167  168      Chris Lee  25.0        F  80000.0 2023-03-22      Finance   \n",
      "173  174  Invalid#Name!  25.0        F  72000.0 2023-03-22           HR   \n",
      "175  176     Jane Smith  23.0        M  72000.0 2020-01-15  InvalidDept   \n",
      "178  179  Invalid#Name!  30.0   Female  72000.0 2020-01-15  InvalidDept   \n",
      "179  180       John Doe  25.0        F  45000.0 2020-01-15           HR   \n",
      "180  181       John Doe  25.0        M  55000.0 2021-06-01           HR   \n",
      "184  185       John Doe  25.0        M  45000.0 2021-06-01      Finance   \n",
      "185  186      Chris Lee  23.0   Female  55000.0 2023-03-22  InvalidDept   \n",
      "187  188       John Doe  23.0  Unknown  45000.0 2020-01-15           IT   \n",
      "189  190  Invalid#Name!  23.0        F  45000.0 2020-01-15           HR   \n",
      "190  191   Mary Johnson  19.0   Female  55000.0 2021-06-01  InvalidDept   \n",
      "191  192       John Doe  23.0   Female  80000.0 2020-01-15        Sales   \n",
      "199  200  Invalid#Name!  30.0  Unknown  55000.0 2020-01-15  InvalidDept   \n",
      "203  204  Invalid#Name!  40.0        M  55000.0 2021-06-01        Sales   \n",
      "204  205       John Doe  23.0        F  80000.0 2023-03-22           IT   \n",
      "207  208      Chris Lee  23.0        M  55000.0 2020-01-15           IT   \n",
      "209  210     Jane Smith  19.0        M  55000.0 2023-03-22      Finance   \n",
      "211  212       John Doe  30.0        M  45000.0 2021-06-01           HR   \n",
      "213  214       John Doe  40.0  Unknown  55000.0 2020-01-15  InvalidDept   \n",
      "214  215       John Doe  40.0        F  45000.0 2021-06-01           HR   \n",
      "216  217       John Doe  25.0   Female  45000.0 2020-01-15           IT   \n",
      "218  219     Jane Smith  25.0        F  55000.0 2020-01-15        Sales   \n",
      "219  220      Chris Lee  30.0        M  72000.0 2023-03-22  InvalidDept   \n",
      "221  222     Anna Davis  25.0        M  55000.0 2021-06-01           IT   \n",
      "223  224       John Doe  23.0     Male  80000.0 2023-03-22        Sales   \n",
      "228  229      Chris Lee  19.0     Male  55000.0 2021-06-01  InvalidDept   \n",
      "230  231  Invalid#Name!  40.0        M  80000.0 2021-06-01           HR   \n",
      "232  233   Mary Johnson  40.0        M  80000.0 2021-06-01      Finance   \n",
      "233  234   Mary Johnson  30.0  Unknown  55000.0 2020-01-15           IT   \n",
      "235  236  Invalid#Name!  25.0  Unknown  45000.0 2021-06-01           IT   \n",
      "237  238      Chris Lee  23.0   Female  80000.0 2023-03-22           IT   \n",
      "238  239     Jane Smith  25.0        M  72000.0 2023-03-22           HR   \n",
      "240  241  Invalid#Name!  25.0        M  55000.0 2021-06-01      Finance   \n",
      "242  243       John Doe  40.0     Male  55000.0 2020-01-15        Sales   \n",
      "243  244       John Doe  19.0        F  72000.0 2021-06-01           HR   \n",
      "246  247  Invalid#Name!  25.0     Male  45000.0 2023-03-22  InvalidDept   \n",
      "248  249   Mary Johnson  25.0        M  80000.0 2021-06-01           HR   \n",
      "249  250      Chris Lee  30.0        M  72000.0 2023-03-22           IT   \n",
      "251  252   Mary Johnson  25.0        M  55000.0 2023-03-22           IT   \n",
      "252  253      Chris Lee  40.0        M  80000.0 2020-01-15           IT   \n",
      "253  254   Mary Johnson  40.0        F  80000.0 2023-03-22           HR   \n",
      "256  257   Mary Johnson  30.0        M  72000.0 2021-06-01           HR   \n",
      "257  258      Chris Lee  40.0     Male  45000.0 2021-06-01  InvalidDept   \n",
      "264  265      Chris Lee  25.0   Female  80000.0 2021-06-01           IT   \n",
      "265  266       John Doe  25.0  Unknown  45000.0 2021-06-01  InvalidDept   \n",
      "266  267       John Doe  19.0   Female  55000.0 2023-03-22        Sales   \n",
      "268  269  Invalid#Name!  30.0     Male  72000.0 2020-01-15           IT   \n",
      "273  274       John Doe  25.0        M  45000.0 2023-03-22  InvalidDept   \n",
      "280  281      Chris Lee  25.0        F  55000.0 2021-06-01           IT   \n",
      "283  284   Mary Johnson  25.0        M  45000.0 2023-03-22        Sales   \n",
      "288  289   Mary Johnson  23.0        F  80000.0 2021-06-01           HR   \n",
      "290  291  Invalid#Name!  40.0        M  55000.0 2021-06-01        Sales   \n",
      "291  292       John Doe  25.0     Male  45000.0 2021-06-01           IT   \n",
      "294  295       John Doe  25.0  Unknown  55000.0 2020-01-15           IT   \n",
      "296  297  Invalid#Name!  23.0     Male  72000.0 2020-01-15           HR   \n",
      "301  302       John Doe  25.0        M  55000.0 2020-01-15        Sales   \n",
      "304  305     Anna Davis  40.0  Unknown  80000.0 2023-03-22           IT   \n",
      "308  309     Jane Smith  40.0   Female  45000.0 2021-06-01           IT   \n",
      "309  310  Invalid#Name!  30.0        M  80000.0 2023-03-22  InvalidDept   \n",
      "310  311   Mary Johnson  25.0        F  45000.0 2021-06-01        Sales   \n",
      "314  315       John Doe  30.0     Male  72000.0 2020-01-15        Sales   \n",
      "317  318  Invalid#Name!  25.0        M  80000.0 2023-03-22  InvalidDept   \n",
      "318  319     Anna Davis  23.0  Unknown  45000.0 2023-03-22  InvalidDept   \n",
      "319  320      Chris Lee  23.0        M  80000.0 2020-01-15      Finance   \n",
      "322  323       John Doe  40.0     Male  45000.0 2023-03-22           HR   \n",
      "323  324      Chris Lee  19.0     Male  55000.0 2020-01-15        Sales   \n",
      "325  326   Mary Johnson  30.0   Female  72000.0 2023-03-22      Finance   \n",
      "328  329  Invalid#Name!  25.0        M  45000.0 2020-01-15  InvalidDept   \n",
      "329  330  Invalid#Name!  25.0        M  80000.0 2020-01-15      Finance   \n",
      "332  333     Anna Davis  25.0        M  45000.0 2020-01-15        Sales   \n",
      "333  334   Mary Johnson  40.0        M  55000.0 2021-06-01  InvalidDept   \n",
      "334  335  Invalid#Name!  25.0   Female  80000.0 2023-03-22        Sales   \n",
      "338  339     Anna Davis  25.0        F  80000.0 2020-01-15      Finance   \n",
      "341  342      Chris Lee  25.0        F  55000.0 2020-01-15           IT   \n",
      "343  344     Anna Davis  40.0        M  80000.0 2023-03-22           HR   \n",
      "344  345      Chris Lee  23.0     Male  55000.0 2023-03-22  InvalidDept   \n",
      "350  351       John Doe  23.0        M  55000.0 2023-03-22           IT   \n",
      "351  352      Chris Lee  40.0        F  45000.0 2023-03-22  InvalidDept   \n",
      "354  355     Anna Davis  25.0   Female  72000.0 2020-01-15  InvalidDept   \n",
      "355  356  Invalid#Name!  40.0  Unknown  72000.0 2020-01-15           IT   \n",
      "356  357     Anna Davis  40.0        M  80000.0 2020-01-15        Sales   \n",
      "357  358  Invalid#Name!  19.0   Female  55000.0 2023-03-22        Sales   \n",
      "361  362     Anna Davis  25.0  Unknown  55000.0 2021-06-01  InvalidDept   \n",
      "362  363     Anna Davis  30.0        F  72000.0 2023-03-22           IT   \n",
      "365  366     Anna Davis  25.0  Unknown  80000.0 2020-01-15  InvalidDept   \n",
      "367  368      Chris Lee  19.0  Unknown  45000.0 2023-03-22           HR   \n",
      "368  369       John Doe  25.0        F  80000.0 2020-01-15           IT   \n",
      "369  370      Chris Lee  30.0        F  55000.0 2023-03-22           HR   \n",
      "370  371     Anna Davis  40.0  Unknown  45000.0 2023-03-22           IT   \n",
      "371  372     Anna Davis  40.0   Female  80000.0 2021-06-01           IT   \n",
      "377  378  Invalid#Name!  30.0   Female  55000.0 2021-06-01      Finance   \n",
      "378  379     Jane Smith  40.0        M  55000.0 2021-06-01  InvalidDept   \n",
      "381  382     Jane Smith  19.0        F  80000.0 2021-06-01      Finance   \n",
      "382  383  Invalid#Name!  30.0        M  80000.0 2023-03-22        Sales   \n",
      "383  384     Jane Smith  30.0        M  55000.0 2023-03-22        Sales   \n",
      "387  388     Jane Smith  25.0   Female  72000.0 2023-03-22      Finance   \n",
      "388  389       John Doe  23.0        M  80000.0 2020-01-15        Sales   \n",
      "391  392   Mary Johnson  40.0   Female  80000.0 2021-06-01           IT   \n",
      "393  394     Anna Davis  25.0        M  80000.0 2020-01-15           HR   \n",
      "394  395     Jane Smith  23.0   Female  72000.0 2020-01-15      Finance   \n",
      "395  396     Jane Smith  40.0     Male  45000.0 2021-06-01        Sales   \n",
      "396  397   Mary Johnson  40.0     Male  72000.0 2023-03-22           IT   \n",
      "397  398     Jane Smith  19.0        F  45000.0 2023-03-22           HR   \n",
      "\n",
      "    Feedback Score  \n",
      "3                3  \n",
      "4                4  \n",
      "5    Not Available  \n",
      "6                3  \n",
      "7                2  \n",
      "12               1  \n",
      "14               1  \n",
      "17   Not Available  \n",
      "19               2  \n",
      "20               3  \n",
      "21               2  \n",
      "26               1  \n",
      "29               4  \n",
      "32               4  \n",
      "33               2  \n",
      "35               2  \n",
      "37               5  \n",
      "40               5  \n",
      "42               4  \n",
      "45               1  \n",
      "46               3  \n",
      "48               1  \n",
      "50               4  \n",
      "53               4  \n",
      "57               4  \n",
      "58               3  \n",
      "61               2  \n",
      "62               3  \n",
      "66               2  \n",
      "67               3  \n",
      "71   Not Available  \n",
      "72               4  \n",
      "73               2  \n",
      "75               1  \n",
      "78   Not Available  \n",
      "82               4  \n",
      "89   Not Available  \n",
      "90               1  \n",
      "91   Not Available  \n",
      "92               2  \n",
      "96   Not Available  \n",
      "99               4  \n",
      "103              5  \n",
      "104  Not Available  \n",
      "108              5  \n",
      "109              4  \n",
      "112              1  \n",
      "118              2  \n",
      "119  Not Available  \n",
      "120              1  \n",
      "122              4  \n",
      "128              4  \n",
      "129              1  \n",
      "132              5  \n",
      "134              1  \n",
      "139              1  \n",
      "140              1  \n",
      "141              3  \n",
      "143              4  \n",
      "145  Not Available  \n",
      "146              2  \n",
      "147              4  \n",
      "148              2  \n",
      "154  Not Available  \n",
      "156              4  \n",
      "157              5  \n",
      "158              4  \n",
      "159              2  \n",
      "161  Not Available  \n",
      "162              1  \n",
      "165              2  \n",
      "167              3  \n",
      "173              3  \n",
      "175              4  \n",
      "178  Not Available  \n",
      "179              5  \n",
      "180              3  \n",
      "184              3  \n",
      "185              2  \n",
      "187              4  \n",
      "189              2  \n",
      "190              1  \n",
      "191              2  \n",
      "199              1  \n",
      "203              5  \n",
      "204              4  \n",
      "207              1  \n",
      "209              1  \n",
      "211              5  \n",
      "213              5  \n",
      "214              2  \n",
      "216              1  \n",
      "218              4  \n",
      "219              5  \n",
      "221              4  \n",
      "223              5  \n",
      "228              5  \n",
      "230  Not Available  \n",
      "232              5  \n",
      "233              3  \n",
      "235              2  \n",
      "237  Not Available  \n",
      "238              3  \n",
      "240              3  \n",
      "242              3  \n",
      "243              2  \n",
      "246              2  \n",
      "248              3  \n",
      "249              2  \n",
      "251  Not Available  \n",
      "252  Not Available  \n",
      "253              1  \n",
      "256              1  \n",
      "257              3  \n",
      "264  Not Available  \n",
      "265              4  \n",
      "266              1  \n",
      "268              4  \n",
      "273              4  \n",
      "280  Not Available  \n",
      "283              5  \n",
      "288              3  \n",
      "290              3  \n",
      "291              4  \n",
      "294  Not Available  \n",
      "296              5  \n",
      "301              2  \n",
      "304              5  \n",
      "308              5  \n",
      "309              2  \n",
      "310  Not Available  \n",
      "314              1  \n",
      "317              2  \n",
      "318              2  \n",
      "319              5  \n",
      "322              2  \n",
      "323              5  \n",
      "325              4  \n",
      "328              1  \n",
      "329              4  \n",
      "332              5  \n",
      "333              4  \n",
      "334  Not Available  \n",
      "338              4  \n",
      "341              4  \n",
      "343              3  \n",
      "344              1  \n",
      "350              5  \n",
      "351              2  \n",
      "354              1  \n",
      "355              1  \n",
      "356              1  \n",
      "357              1  \n",
      "361              5  \n",
      "362              1  \n",
      "365              2  \n",
      "367              5  \n",
      "368              4  \n",
      "369              3  \n",
      "370  Not Available  \n",
      "371              2  \n",
      "377              4  \n",
      "378  Not Available  \n",
      "381              5  \n",
      "382              4  \n",
      "383              1  \n",
      "387              1  \n",
      "388  Not Available  \n",
      "391              5  \n",
      "393              3  \n",
      "394              1  \n",
      "395              5  \n",
      "396              4  \n",
      "397              5  \n"
     ]
    }
   ],
   "source": [
    "data['Join Date'] = pd.to_datetime(data['Join Date'], errors='coerce')\n",
    "pd.set_option('display.max_rows', None)  \n",
    "pd.set_option('display.max_columns', None)  \n",
    "\n",
    "print(data)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "6a752167",
   "metadata": {
    "papermill": {
     "duration": 0.01279,
     "end_time": "2024-10-05T18:11:02.120429",
     "exception": false,
     "start_time": "2024-10-05T18:11:02.107639",
     "status": "completed"
    },
    "tags": []
   },
   "source": [
    "# Drop rows with any missing values (or handle as needed)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "id": "80ec469a",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2024-10-05T18:11:02.146762Z",
     "iopub.status.busy": "2024-10-05T18:11:02.146349Z",
     "iopub.status.idle": "2024-10-05T18:11:02.176713Z",
     "shell.execute_reply": "2024-10-05T18:11:02.175670Z"
    },
    "papermill": {
     "duration": 0.046543,
     "end_time": "2024-10-05T18:11:02.179362",
     "exception": false,
     "start_time": "2024-10-05T18:11:02.132819",
     "status": "completed"
    },
    "tags": []
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "      ID           Name   Age   Gender   Salary  Join Date   Department  \\\n",
      "3      4     Anna Davis  25.0   Female  80000.0 2023-03-22           IT   \n",
      "4      5     Anna Davis  40.0   Female  80000.0 2020-01-15           IT   \n",
      "5      6     Jane Smith  25.0        M  55000.0 2020-01-15      Finance   \n",
      "6      7   Mary Johnson  23.0     Male  45000.0 2021-06-01  InvalidDept   \n",
      "7      8   Mary Johnson  19.0  Unknown  72000.0 2020-01-15           HR   \n",
      "12    13  Invalid#Name!  25.0        M  80000.0 2021-06-01      Finance   \n",
      "14    15     Jane Smith  19.0  Unknown  45000.0 2023-03-22           HR   \n",
      "17    18  Invalid#Name!  25.0     Male  45000.0 2020-01-15        Sales   \n",
      "19    20      Chris Lee  40.0   Female  80000.0 2023-03-22           HR   \n",
      "20    21     Anna Davis  19.0        F  80000.0 2020-01-15           IT   \n",
      "21    22       John Doe  25.0   Female  55000.0 2020-01-15           IT   \n",
      "26    27      Chris Lee  25.0        M  45000.0 2020-01-15           HR   \n",
      "29    30   Mary Johnson  30.0        F  80000.0 2023-03-22           HR   \n",
      "32    33      Chris Lee  23.0        F  45000.0 2021-06-01           IT   \n",
      "33    34      Chris Lee  40.0  Unknown  55000.0 2020-01-15           IT   \n",
      "35    36  Invalid#Name!  25.0        M  45000.0 2020-01-15           IT   \n",
      "37    38   Mary Johnson  40.0     Male  55000.0 2023-03-22           IT   \n",
      "40    41       John Doe  40.0  Unknown  72000.0 2023-03-22           HR   \n",
      "42    43     Anna Davis  19.0   Female  55000.0 2021-06-01  InvalidDept   \n",
      "45    46       John Doe  40.0        M  55000.0 2021-06-01           HR   \n",
      "46    47     Jane Smith  25.0        F  55000.0 2020-01-15           HR   \n",
      "48    49       John Doe  25.0        M  55000.0 2020-01-15           IT   \n",
      "50    51  Invalid#Name!  30.0   Female  45000.0 2023-03-22           IT   \n",
      "53    54       John Doe  25.0        M  72000.0 2023-03-22      Finance   \n",
      "57    58      Chris Lee  25.0     Male  45000.0 2021-06-01           IT   \n",
      "58    59      Chris Lee  40.0        M  72000.0 2020-01-15           IT   \n",
      "61    62     Anna Davis  25.0        M  45000.0 2021-06-01        Sales   \n",
      "62    63   Mary Johnson  40.0   Female  45000.0 2021-06-01           IT   \n",
      "66    67     Jane Smith  23.0  Unknown  55000.0 2021-06-01        Sales   \n",
      "67    68      Chris Lee  25.0        F  72000.0 2020-01-15  InvalidDept   \n",
      "71    72  Invalid#Name!  40.0     Male  45000.0 2023-03-22           IT   \n",
      "72    73     Jane Smith  40.0        F  72000.0 2021-06-01      Finance   \n",
      "73    74      Chris Lee  23.0        F  45000.0 2020-01-15        Sales   \n",
      "75    76     Anna Davis  40.0   Female  72000.0 2021-06-01  InvalidDept   \n",
      "78    79      Chris Lee  30.0   Female  72000.0 2020-01-15        Sales   \n",
      "82    83      Chris Lee  40.0        M  80000.0 2021-06-01  InvalidDept   \n",
      "89    90     Anna Davis  23.0        F  80000.0 2021-06-01      Finance   \n",
      "90    91     Jane Smith  19.0     Male  45000.0 2021-06-01  InvalidDept   \n",
      "91    92     Anna Davis  19.0        M  80000.0 2020-01-15  InvalidDept   \n",
      "92    93     Jane Smith  19.0        M  80000.0 2023-03-22           HR   \n",
      "96    97      Chris Lee  25.0  Unknown  45000.0 2021-06-01           IT   \n",
      "99   100     Anna Davis  25.0        M  55000.0 2020-01-15  InvalidDept   \n",
      "103  104       John Doe  40.0        F  45000.0 2023-03-22        Sales   \n",
      "104  105       John Doe  25.0   Female  55000.0 2021-06-01        Sales   \n",
      "108  109       John Doe  25.0        M  72000.0 2020-01-15           HR   \n",
      "109  110   Mary Johnson  25.0     Male  45000.0 2023-03-22        Sales   \n",
      "112  113   Mary Johnson  25.0        F  55000.0 2023-03-22           IT   \n",
      "118  119       John Doe  25.0   Female  45000.0 2023-03-22      Finance   \n",
      "119  120      Chris Lee  25.0  Unknown  72000.0 2021-06-01      Finance   \n",
      "120  121     Jane Smith  23.0        M  55000.0 2020-01-15           IT   \n",
      "122  123  Invalid#Name!  30.0   Female  45000.0 2023-03-22        Sales   \n",
      "128  129   Mary Johnson  23.0  Unknown  45000.0 2023-03-22      Finance   \n",
      "129  130       John Doe  23.0     Male  80000.0 2023-03-22           IT   \n",
      "132  133  Invalid#Name!  30.0     Male  45000.0 2023-03-22        Sales   \n",
      "134  135       John Doe  25.0        M  55000.0 2020-01-15  InvalidDept   \n",
      "139  140       John Doe  30.0   Female  72000.0 2020-01-15  InvalidDept   \n",
      "140  141     Jane Smith  25.0        F  72000.0 2023-03-22           HR   \n",
      "141  142     Jane Smith  40.0        M  80000.0 2023-03-22        Sales   \n",
      "143  144     Anna Davis  25.0  Unknown  80000.0 2023-03-22           HR   \n",
      "145  146       John Doe  25.0        M  55000.0 2020-01-15           HR   \n",
      "146  147      Chris Lee  40.0        M  55000.0 2020-01-15           HR   \n",
      "147  148     Anna Davis  30.0        M  45000.0 2021-06-01        Sales   \n",
      "148  149      Chris Lee  25.0        M  80000.0 2023-03-22           IT   \n",
      "154  155      Chris Lee  25.0   Female  72000.0 2021-06-01        Sales   \n",
      "156  157   Mary Johnson  19.0        M  55000.0 2023-03-22      Finance   \n",
      "157  158   Mary Johnson  25.0        M  45000.0 2023-03-22           IT   \n",
      "158  159  Invalid#Name!  30.0     Male  80000.0 2021-06-01      Finance   \n",
      "159  160      Chris Lee  23.0  Unknown  72000.0 2023-03-22           IT   \n",
      "161  162     Jane Smith  25.0   Female  55000.0 2020-01-15           IT   \n",
      "162  163     Anna Davis  40.0     Male  55000.0 2020-01-15        Sales   \n",
      "165  166     Anna Davis  30.0   Female  72000.0 2023-03-22  InvalidDept   \n",
      "167  168      Chris Lee  25.0        F  80000.0 2023-03-22      Finance   \n",
      "173  174  Invalid#Name!  25.0        F  72000.0 2023-03-22           HR   \n",
      "175  176     Jane Smith  23.0        M  72000.0 2020-01-15  InvalidDept   \n",
      "178  179  Invalid#Name!  30.0   Female  72000.0 2020-01-15  InvalidDept   \n",
      "179  180       John Doe  25.0        F  45000.0 2020-01-15           HR   \n",
      "180  181       John Doe  25.0        M  55000.0 2021-06-01           HR   \n",
      "184  185       John Doe  25.0        M  45000.0 2021-06-01      Finance   \n",
      "185  186      Chris Lee  23.0   Female  55000.0 2023-03-22  InvalidDept   \n",
      "187  188       John Doe  23.0  Unknown  45000.0 2020-01-15           IT   \n",
      "189  190  Invalid#Name!  23.0        F  45000.0 2020-01-15           HR   \n",
      "190  191   Mary Johnson  19.0   Female  55000.0 2021-06-01  InvalidDept   \n",
      "191  192       John Doe  23.0   Female  80000.0 2020-01-15        Sales   \n",
      "199  200  Invalid#Name!  30.0  Unknown  55000.0 2020-01-15  InvalidDept   \n",
      "203  204  Invalid#Name!  40.0        M  55000.0 2021-06-01        Sales   \n",
      "204  205       John Doe  23.0        F  80000.0 2023-03-22           IT   \n",
      "207  208      Chris Lee  23.0        M  55000.0 2020-01-15           IT   \n",
      "209  210     Jane Smith  19.0        M  55000.0 2023-03-22      Finance   \n",
      "211  212       John Doe  30.0        M  45000.0 2021-06-01           HR   \n",
      "213  214       John Doe  40.0  Unknown  55000.0 2020-01-15  InvalidDept   \n",
      "214  215       John Doe  40.0        F  45000.0 2021-06-01           HR   \n",
      "216  217       John Doe  25.0   Female  45000.0 2020-01-15           IT   \n",
      "218  219     Jane Smith  25.0        F  55000.0 2020-01-15        Sales   \n",
      "219  220      Chris Lee  30.0        M  72000.0 2023-03-22  InvalidDept   \n",
      "221  222     Anna Davis  25.0        M  55000.0 2021-06-01           IT   \n",
      "223  224       John Doe  23.0     Male  80000.0 2023-03-22        Sales   \n",
      "228  229      Chris Lee  19.0     Male  55000.0 2021-06-01  InvalidDept   \n",
      "230  231  Invalid#Name!  40.0        M  80000.0 2021-06-01           HR   \n",
      "232  233   Mary Johnson  40.0        M  80000.0 2021-06-01      Finance   \n",
      "233  234   Mary Johnson  30.0  Unknown  55000.0 2020-01-15           IT   \n",
      "235  236  Invalid#Name!  25.0  Unknown  45000.0 2021-06-01           IT   \n",
      "237  238      Chris Lee  23.0   Female  80000.0 2023-03-22           IT   \n",
      "238  239     Jane Smith  25.0        M  72000.0 2023-03-22           HR   \n",
      "240  241  Invalid#Name!  25.0        M  55000.0 2021-06-01      Finance   \n",
      "242  243       John Doe  40.0     Male  55000.0 2020-01-15        Sales   \n",
      "243  244       John Doe  19.0        F  72000.0 2021-06-01           HR   \n",
      "246  247  Invalid#Name!  25.0     Male  45000.0 2023-03-22  InvalidDept   \n",
      "248  249   Mary Johnson  25.0        M  80000.0 2021-06-01           HR   \n",
      "249  250      Chris Lee  30.0        M  72000.0 2023-03-22           IT   \n",
      "251  252   Mary Johnson  25.0        M  55000.0 2023-03-22           IT   \n",
      "252  253      Chris Lee  40.0        M  80000.0 2020-01-15           IT   \n",
      "253  254   Mary Johnson  40.0        F  80000.0 2023-03-22           HR   \n",
      "256  257   Mary Johnson  30.0        M  72000.0 2021-06-01           HR   \n",
      "257  258      Chris Lee  40.0     Male  45000.0 2021-06-01  InvalidDept   \n",
      "264  265      Chris Lee  25.0   Female  80000.0 2021-06-01           IT   \n",
      "265  266       John Doe  25.0  Unknown  45000.0 2021-06-01  InvalidDept   \n",
      "266  267       John Doe  19.0   Female  55000.0 2023-03-22        Sales   \n",
      "268  269  Invalid#Name!  30.0     Male  72000.0 2020-01-15           IT   \n",
      "273  274       John Doe  25.0        M  45000.0 2023-03-22  InvalidDept   \n",
      "280  281      Chris Lee  25.0        F  55000.0 2021-06-01           IT   \n",
      "283  284   Mary Johnson  25.0        M  45000.0 2023-03-22        Sales   \n",
      "288  289   Mary Johnson  23.0        F  80000.0 2021-06-01           HR   \n",
      "290  291  Invalid#Name!  40.0        M  55000.0 2021-06-01        Sales   \n",
      "291  292       John Doe  25.0     Male  45000.0 2021-06-01           IT   \n",
      "294  295       John Doe  25.0  Unknown  55000.0 2020-01-15           IT   \n",
      "296  297  Invalid#Name!  23.0     Male  72000.0 2020-01-15           HR   \n",
      "301  302       John Doe  25.0        M  55000.0 2020-01-15        Sales   \n",
      "304  305     Anna Davis  40.0  Unknown  80000.0 2023-03-22           IT   \n",
      "308  309     Jane Smith  40.0   Female  45000.0 2021-06-01           IT   \n",
      "309  310  Invalid#Name!  30.0        M  80000.0 2023-03-22  InvalidDept   \n",
      "310  311   Mary Johnson  25.0        F  45000.0 2021-06-01        Sales   \n",
      "314  315       John Doe  30.0     Male  72000.0 2020-01-15        Sales   \n",
      "317  318  Invalid#Name!  25.0        M  80000.0 2023-03-22  InvalidDept   \n",
      "318  319     Anna Davis  23.0  Unknown  45000.0 2023-03-22  InvalidDept   \n",
      "319  320      Chris Lee  23.0        M  80000.0 2020-01-15      Finance   \n",
      "322  323       John Doe  40.0     Male  45000.0 2023-03-22           HR   \n",
      "323  324      Chris Lee  19.0     Male  55000.0 2020-01-15        Sales   \n",
      "325  326   Mary Johnson  30.0   Female  72000.0 2023-03-22      Finance   \n",
      "328  329  Invalid#Name!  25.0        M  45000.0 2020-01-15  InvalidDept   \n",
      "329  330  Invalid#Name!  25.0        M  80000.0 2020-01-15      Finance   \n",
      "332  333     Anna Davis  25.0        M  45000.0 2020-01-15        Sales   \n",
      "333  334   Mary Johnson  40.0        M  55000.0 2021-06-01  InvalidDept   \n",
      "334  335  Invalid#Name!  25.0   Female  80000.0 2023-03-22        Sales   \n",
      "338  339     Anna Davis  25.0        F  80000.0 2020-01-15      Finance   \n",
      "341  342      Chris Lee  25.0        F  55000.0 2020-01-15           IT   \n",
      "343  344     Anna Davis  40.0        M  80000.0 2023-03-22           HR   \n",
      "344  345      Chris Lee  23.0     Male  55000.0 2023-03-22  InvalidDept   \n",
      "350  351       John Doe  23.0        M  55000.0 2023-03-22           IT   \n",
      "351  352      Chris Lee  40.0        F  45000.0 2023-03-22  InvalidDept   \n",
      "354  355     Anna Davis  25.0   Female  72000.0 2020-01-15  InvalidDept   \n",
      "355  356  Invalid#Name!  40.0  Unknown  72000.0 2020-01-15           IT   \n",
      "356  357     Anna Davis  40.0        M  80000.0 2020-01-15        Sales   \n",
      "357  358  Invalid#Name!  19.0   Female  55000.0 2023-03-22        Sales   \n",
      "361  362     Anna Davis  25.0  Unknown  55000.0 2021-06-01  InvalidDept   \n",
      "362  363     Anna Davis  30.0        F  72000.0 2023-03-22           IT   \n",
      "365  366     Anna Davis  25.0  Unknown  80000.0 2020-01-15  InvalidDept   \n",
      "367  368      Chris Lee  19.0  Unknown  45000.0 2023-03-22           HR   \n",
      "368  369       John Doe  25.0        F  80000.0 2020-01-15           IT   \n",
      "369  370      Chris Lee  30.0        F  55000.0 2023-03-22           HR   \n",
      "370  371     Anna Davis  40.0  Unknown  45000.0 2023-03-22           IT   \n",
      "371  372     Anna Davis  40.0   Female  80000.0 2021-06-01           IT   \n",
      "377  378  Invalid#Name!  30.0   Female  55000.0 2021-06-01      Finance   \n",
      "378  379     Jane Smith  40.0        M  55000.0 2021-06-01  InvalidDept   \n",
      "381  382     Jane Smith  19.0        F  80000.0 2021-06-01      Finance   \n",
      "382  383  Invalid#Name!  30.0        M  80000.0 2023-03-22        Sales   \n",
      "383  384     Jane Smith  30.0        M  55000.0 2023-03-22        Sales   \n",
      "387  388     Jane Smith  25.0   Female  72000.0 2023-03-22      Finance   \n",
      "388  389       John Doe  23.0        M  80000.0 2020-01-15        Sales   \n",
      "391  392   Mary Johnson  40.0   Female  80000.0 2021-06-01           IT   \n",
      "393  394     Anna Davis  25.0        M  80000.0 2020-01-15           HR   \n",
      "394  395     Jane Smith  23.0   Female  72000.0 2020-01-15      Finance   \n",
      "395  396     Jane Smith  40.0     Male  45000.0 2021-06-01        Sales   \n",
      "396  397   Mary Johnson  40.0     Male  72000.0 2023-03-22           IT   \n",
      "397  398     Jane Smith  19.0        F  45000.0 2023-03-22           HR   \n",
      "\n",
      "    Feedback Score  \n",
      "3                3  \n",
      "4                4  \n",
      "5    Not Available  \n",
      "6                3  \n",
      "7                2  \n",
      "12               1  \n",
      "14               1  \n",
      "17   Not Available  \n",
      "19               2  \n",
      "20               3  \n",
      "21               2  \n",
      "26               1  \n",
      "29               4  \n",
      "32               4  \n",
      "33               2  \n",
      "35               2  \n",
      "37               5  \n",
      "40               5  \n",
      "42               4  \n",
      "45               1  \n",
      "46               3  \n",
      "48               1  \n",
      "50               4  \n",
      "53               4  \n",
      "57               4  \n",
      "58               3  \n",
      "61               2  \n",
      "62               3  \n",
      "66               2  \n",
      "67               3  \n",
      "71   Not Available  \n",
      "72               4  \n",
      "73               2  \n",
      "75               1  \n",
      "78   Not Available  \n",
      "82               4  \n",
      "89   Not Available  \n",
      "90               1  \n",
      "91   Not Available  \n",
      "92               2  \n",
      "96   Not Available  \n",
      "99               4  \n",
      "103              5  \n",
      "104  Not Available  \n",
      "108              5  \n",
      "109              4  \n",
      "112              1  \n",
      "118              2  \n",
      "119  Not Available  \n",
      "120              1  \n",
      "122              4  \n",
      "128              4  \n",
      "129              1  \n",
      "132              5  \n",
      "134              1  \n",
      "139              1  \n",
      "140              1  \n",
      "141              3  \n",
      "143              4  \n",
      "145  Not Available  \n",
      "146              2  \n",
      "147              4  \n",
      "148              2  \n",
      "154  Not Available  \n",
      "156              4  \n",
      "157              5  \n",
      "158              4  \n",
      "159              2  \n",
      "161  Not Available  \n",
      "162              1  \n",
      "165              2  \n",
      "167              3  \n",
      "173              3  \n",
      "175              4  \n",
      "178  Not Available  \n",
      "179              5  \n",
      "180              3  \n",
      "184              3  \n",
      "185              2  \n",
      "187              4  \n",
      "189              2  \n",
      "190              1  \n",
      "191              2  \n",
      "199              1  \n",
      "203              5  \n",
      "204              4  \n",
      "207              1  \n",
      "209              1  \n",
      "211              5  \n",
      "213              5  \n",
      "214              2  \n",
      "216              1  \n",
      "218              4  \n",
      "219              5  \n",
      "221              4  \n",
      "223              5  \n",
      "228              5  \n",
      "230  Not Available  \n",
      "232              5  \n",
      "233              3  \n",
      "235              2  \n",
      "237  Not Available  \n",
      "238              3  \n",
      "240              3  \n",
      "242              3  \n",
      "243              2  \n",
      "246              2  \n",
      "248              3  \n",
      "249              2  \n",
      "251  Not Available  \n",
      "252  Not Available  \n",
      "253              1  \n",
      "256              1  \n",
      "257              3  \n",
      "264  Not Available  \n",
      "265              4  \n",
      "266              1  \n",
      "268              4  \n",
      "273              4  \n",
      "280  Not Available  \n",
      "283              5  \n",
      "288              3  \n",
      "290              3  \n",
      "291              4  \n",
      "294  Not Available  \n",
      "296              5  \n",
      "301              2  \n",
      "304              5  \n",
      "308              5  \n",
      "309              2  \n",
      "310  Not Available  \n",
      "314              1  \n",
      "317              2  \n",
      "318              2  \n",
      "319              5  \n",
      "322              2  \n",
      "323              5  \n",
      "325              4  \n",
      "328              1  \n",
      "329              4  \n",
      "332              5  \n",
      "333              4  \n",
      "334  Not Available  \n",
      "338              4  \n",
      "341              4  \n",
      "343              3  \n",
      "344              1  \n",
      "350              5  \n",
      "351              2  \n",
      "354              1  \n",
      "355              1  \n",
      "356              1  \n",
      "357              1  \n",
      "361              5  \n",
      "362              1  \n",
      "365              2  \n",
      "367              5  \n",
      "368              4  \n",
      "369              3  \n",
      "370  Not Available  \n",
      "371              2  \n",
      "377              4  \n",
      "378  Not Available  \n",
      "381              5  \n",
      "382              4  \n",
      "383              1  \n",
      "387              1  \n",
      "388  Not Available  \n",
      "391              5  \n",
      "393              3  \n",
      "394              1  \n",
      "395              5  \n",
      "396              4  \n",
      "397              5  \n"
     ]
    }
   ],
   "source": [
    "data = data.dropna()\n",
    "pd.set_option('display.max_rows', None)  \n",
    "pd.set_option('display.max_columns', None)  \n",
    "\n",
    "print(data)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "b7e16acc",
   "metadata": {
    "papermill": {
     "duration": 0.012686,
     "end_time": "2024-10-05T18:11:02.205471",
     "exception": false,
     "start_time": "2024-10-05T18:11:02.192785",
     "status": "completed"
    },
    "tags": []
   },
   "source": [
    "#  Standardize the Gender colum"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "id": "92fecd0b",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2024-10-05T18:11:02.233051Z",
     "iopub.status.busy": "2024-10-05T18:11:02.232641Z",
     "iopub.status.idle": "2024-10-05T18:11:02.262352Z",
     "shell.execute_reply": "2024-10-05T18:11:02.261272Z"
    },
    "papermill": {
     "duration": 0.047955,
     "end_time": "2024-10-05T18:11:02.266573",
     "exception": false,
     "start_time": "2024-10-05T18:11:02.218618",
     "status": "completed"
    },
    "tags": []
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "      ID           Name   Age  Gender   Salary  Join Date   Department  \\\n",
      "3      4     Anna Davis  25.0  Female  80000.0 2023-03-22           IT   \n",
      "4      5     Anna Davis  40.0  Female  80000.0 2020-01-15           IT   \n",
      "5      6     Jane Smith  25.0    Male  55000.0 2020-01-15      Finance   \n",
      "6      7   Mary Johnson  23.0    Male  45000.0 2021-06-01  InvalidDept   \n",
      "7      8   Mary Johnson  19.0   Other  72000.0 2020-01-15           HR   \n",
      "12    13  Invalid#Name!  25.0    Male  80000.0 2021-06-01      Finance   \n",
      "14    15     Jane Smith  19.0   Other  45000.0 2023-03-22           HR   \n",
      "17    18  Invalid#Name!  25.0    Male  45000.0 2020-01-15        Sales   \n",
      "19    20      Chris Lee  40.0  Female  80000.0 2023-03-22           HR   \n",
      "20    21     Anna Davis  19.0  Female  80000.0 2020-01-15           IT   \n",
      "21    22       John Doe  25.0  Female  55000.0 2020-01-15           IT   \n",
      "26    27      Chris Lee  25.0    Male  45000.0 2020-01-15           HR   \n",
      "29    30   Mary Johnson  30.0  Female  80000.0 2023-03-22           HR   \n",
      "32    33      Chris Lee  23.0  Female  45000.0 2021-06-01           IT   \n",
      "33    34      Chris Lee  40.0   Other  55000.0 2020-01-15           IT   \n",
      "35    36  Invalid#Name!  25.0    Male  45000.0 2020-01-15           IT   \n",
      "37    38   Mary Johnson  40.0    Male  55000.0 2023-03-22           IT   \n",
      "40    41       John Doe  40.0   Other  72000.0 2023-03-22           HR   \n",
      "42    43     Anna Davis  19.0  Female  55000.0 2021-06-01  InvalidDept   \n",
      "45    46       John Doe  40.0    Male  55000.0 2021-06-01           HR   \n",
      "46    47     Jane Smith  25.0  Female  55000.0 2020-01-15           HR   \n",
      "48    49       John Doe  25.0    Male  55000.0 2020-01-15           IT   \n",
      "50    51  Invalid#Name!  30.0  Female  45000.0 2023-03-22           IT   \n",
      "53    54       John Doe  25.0    Male  72000.0 2023-03-22      Finance   \n",
      "57    58      Chris Lee  25.0    Male  45000.0 2021-06-01           IT   \n",
      "58    59      Chris Lee  40.0    Male  72000.0 2020-01-15           IT   \n",
      "61    62     Anna Davis  25.0    Male  45000.0 2021-06-01        Sales   \n",
      "62    63   Mary Johnson  40.0  Female  45000.0 2021-06-01           IT   \n",
      "66    67     Jane Smith  23.0   Other  55000.0 2021-06-01        Sales   \n",
      "67    68      Chris Lee  25.0  Female  72000.0 2020-01-15  InvalidDept   \n",
      "71    72  Invalid#Name!  40.0    Male  45000.0 2023-03-22           IT   \n",
      "72    73     Jane Smith  40.0  Female  72000.0 2021-06-01      Finance   \n",
      "73    74      Chris Lee  23.0  Female  45000.0 2020-01-15        Sales   \n",
      "75    76     Anna Davis  40.0  Female  72000.0 2021-06-01  InvalidDept   \n",
      "78    79      Chris Lee  30.0  Female  72000.0 2020-01-15        Sales   \n",
      "82    83      Chris Lee  40.0    Male  80000.0 2021-06-01  InvalidDept   \n",
      "89    90     Anna Davis  23.0  Female  80000.0 2021-06-01      Finance   \n",
      "90    91     Jane Smith  19.0    Male  45000.0 2021-06-01  InvalidDept   \n",
      "91    92     Anna Davis  19.0    Male  80000.0 2020-01-15  InvalidDept   \n",
      "92    93     Jane Smith  19.0    Male  80000.0 2023-03-22           HR   \n",
      "96    97      Chris Lee  25.0   Other  45000.0 2021-06-01           IT   \n",
      "99   100     Anna Davis  25.0    Male  55000.0 2020-01-15  InvalidDept   \n",
      "103  104       John Doe  40.0  Female  45000.0 2023-03-22        Sales   \n",
      "104  105       John Doe  25.0  Female  55000.0 2021-06-01        Sales   \n",
      "108  109       John Doe  25.0    Male  72000.0 2020-01-15           HR   \n",
      "109  110   Mary Johnson  25.0    Male  45000.0 2023-03-22        Sales   \n",
      "112  113   Mary Johnson  25.0  Female  55000.0 2023-03-22           IT   \n",
      "118  119       John Doe  25.0  Female  45000.0 2023-03-22      Finance   \n",
      "119  120      Chris Lee  25.0   Other  72000.0 2021-06-01      Finance   \n",
      "120  121     Jane Smith  23.0    Male  55000.0 2020-01-15           IT   \n",
      "122  123  Invalid#Name!  30.0  Female  45000.0 2023-03-22        Sales   \n",
      "128  129   Mary Johnson  23.0   Other  45000.0 2023-03-22      Finance   \n",
      "129  130       John Doe  23.0    Male  80000.0 2023-03-22           IT   \n",
      "132  133  Invalid#Name!  30.0    Male  45000.0 2023-03-22        Sales   \n",
      "134  135       John Doe  25.0    Male  55000.0 2020-01-15  InvalidDept   \n",
      "139  140       John Doe  30.0  Female  72000.0 2020-01-15  InvalidDept   \n",
      "140  141     Jane Smith  25.0  Female  72000.0 2023-03-22           HR   \n",
      "141  142     Jane Smith  40.0    Male  80000.0 2023-03-22        Sales   \n",
      "143  144     Anna Davis  25.0   Other  80000.0 2023-03-22           HR   \n",
      "145  146       John Doe  25.0    Male  55000.0 2020-01-15           HR   \n",
      "146  147      Chris Lee  40.0    Male  55000.0 2020-01-15           HR   \n",
      "147  148     Anna Davis  30.0    Male  45000.0 2021-06-01        Sales   \n",
      "148  149      Chris Lee  25.0    Male  80000.0 2023-03-22           IT   \n",
      "154  155      Chris Lee  25.0  Female  72000.0 2021-06-01        Sales   \n",
      "156  157   Mary Johnson  19.0    Male  55000.0 2023-03-22      Finance   \n",
      "157  158   Mary Johnson  25.0    Male  45000.0 2023-03-22           IT   \n",
      "158  159  Invalid#Name!  30.0    Male  80000.0 2021-06-01      Finance   \n",
      "159  160      Chris Lee  23.0   Other  72000.0 2023-03-22           IT   \n",
      "161  162     Jane Smith  25.0  Female  55000.0 2020-01-15           IT   \n",
      "162  163     Anna Davis  40.0    Male  55000.0 2020-01-15        Sales   \n",
      "165  166     Anna Davis  30.0  Female  72000.0 2023-03-22  InvalidDept   \n",
      "167  168      Chris Lee  25.0  Female  80000.0 2023-03-22      Finance   \n",
      "173  174  Invalid#Name!  25.0  Female  72000.0 2023-03-22           HR   \n",
      "175  176     Jane Smith  23.0    Male  72000.0 2020-01-15  InvalidDept   \n",
      "178  179  Invalid#Name!  30.0  Female  72000.0 2020-01-15  InvalidDept   \n",
      "179  180       John Doe  25.0  Female  45000.0 2020-01-15           HR   \n",
      "180  181       John Doe  25.0    Male  55000.0 2021-06-01           HR   \n",
      "184  185       John Doe  25.0    Male  45000.0 2021-06-01      Finance   \n",
      "185  186      Chris Lee  23.0  Female  55000.0 2023-03-22  InvalidDept   \n",
      "187  188       John Doe  23.0   Other  45000.0 2020-01-15           IT   \n",
      "189  190  Invalid#Name!  23.0  Female  45000.0 2020-01-15           HR   \n",
      "190  191   Mary Johnson  19.0  Female  55000.0 2021-06-01  InvalidDept   \n",
      "191  192       John Doe  23.0  Female  80000.0 2020-01-15        Sales   \n",
      "199  200  Invalid#Name!  30.0   Other  55000.0 2020-01-15  InvalidDept   \n",
      "203  204  Invalid#Name!  40.0    Male  55000.0 2021-06-01        Sales   \n",
      "204  205       John Doe  23.0  Female  80000.0 2023-03-22           IT   \n",
      "207  208      Chris Lee  23.0    Male  55000.0 2020-01-15           IT   \n",
      "209  210     Jane Smith  19.0    Male  55000.0 2023-03-22      Finance   \n",
      "211  212       John Doe  30.0    Male  45000.0 2021-06-01           HR   \n",
      "213  214       John Doe  40.0   Other  55000.0 2020-01-15  InvalidDept   \n",
      "214  215       John Doe  40.0  Female  45000.0 2021-06-01           HR   \n",
      "216  217       John Doe  25.0  Female  45000.0 2020-01-15           IT   \n",
      "218  219     Jane Smith  25.0  Female  55000.0 2020-01-15        Sales   \n",
      "219  220      Chris Lee  30.0    Male  72000.0 2023-03-22  InvalidDept   \n",
      "221  222     Anna Davis  25.0    Male  55000.0 2021-06-01           IT   \n",
      "223  224       John Doe  23.0    Male  80000.0 2023-03-22        Sales   \n",
      "228  229      Chris Lee  19.0    Male  55000.0 2021-06-01  InvalidDept   \n",
      "230  231  Invalid#Name!  40.0    Male  80000.0 2021-06-01           HR   \n",
      "232  233   Mary Johnson  40.0    Male  80000.0 2021-06-01      Finance   \n",
      "233  234   Mary Johnson  30.0   Other  55000.0 2020-01-15           IT   \n",
      "235  236  Invalid#Name!  25.0   Other  45000.0 2021-06-01           IT   \n",
      "237  238      Chris Lee  23.0  Female  80000.0 2023-03-22           IT   \n",
      "238  239     Jane Smith  25.0    Male  72000.0 2023-03-22           HR   \n",
      "240  241  Invalid#Name!  25.0    Male  55000.0 2021-06-01      Finance   \n",
      "242  243       John Doe  40.0    Male  55000.0 2020-01-15        Sales   \n",
      "243  244       John Doe  19.0  Female  72000.0 2021-06-01           HR   \n",
      "246  247  Invalid#Name!  25.0    Male  45000.0 2023-03-22  InvalidDept   \n",
      "248  249   Mary Johnson  25.0    Male  80000.0 2021-06-01           HR   \n",
      "249  250      Chris Lee  30.0    Male  72000.0 2023-03-22           IT   \n",
      "251  252   Mary Johnson  25.0    Male  55000.0 2023-03-22           IT   \n",
      "252  253      Chris Lee  40.0    Male  80000.0 2020-01-15           IT   \n",
      "253  254   Mary Johnson  40.0  Female  80000.0 2023-03-22           HR   \n",
      "256  257   Mary Johnson  30.0    Male  72000.0 2021-06-01           HR   \n",
      "257  258      Chris Lee  40.0    Male  45000.0 2021-06-01  InvalidDept   \n",
      "264  265      Chris Lee  25.0  Female  80000.0 2021-06-01           IT   \n",
      "265  266       John Doe  25.0   Other  45000.0 2021-06-01  InvalidDept   \n",
      "266  267       John Doe  19.0  Female  55000.0 2023-03-22        Sales   \n",
      "268  269  Invalid#Name!  30.0    Male  72000.0 2020-01-15           IT   \n",
      "273  274       John Doe  25.0    Male  45000.0 2023-03-22  InvalidDept   \n",
      "280  281      Chris Lee  25.0  Female  55000.0 2021-06-01           IT   \n",
      "283  284   Mary Johnson  25.0    Male  45000.0 2023-03-22        Sales   \n",
      "288  289   Mary Johnson  23.0  Female  80000.0 2021-06-01           HR   \n",
      "290  291  Invalid#Name!  40.0    Male  55000.0 2021-06-01        Sales   \n",
      "291  292       John Doe  25.0    Male  45000.0 2021-06-01           IT   \n",
      "294  295       John Doe  25.0   Other  55000.0 2020-01-15           IT   \n",
      "296  297  Invalid#Name!  23.0    Male  72000.0 2020-01-15           HR   \n",
      "301  302       John Doe  25.0    Male  55000.0 2020-01-15        Sales   \n",
      "304  305     Anna Davis  40.0   Other  80000.0 2023-03-22           IT   \n",
      "308  309     Jane Smith  40.0  Female  45000.0 2021-06-01           IT   \n",
      "309  310  Invalid#Name!  30.0    Male  80000.0 2023-03-22  InvalidDept   \n",
      "310  311   Mary Johnson  25.0  Female  45000.0 2021-06-01        Sales   \n",
      "314  315       John Doe  30.0    Male  72000.0 2020-01-15        Sales   \n",
      "317  318  Invalid#Name!  25.0    Male  80000.0 2023-03-22  InvalidDept   \n",
      "318  319     Anna Davis  23.0   Other  45000.0 2023-03-22  InvalidDept   \n",
      "319  320      Chris Lee  23.0    Male  80000.0 2020-01-15      Finance   \n",
      "322  323       John Doe  40.0    Male  45000.0 2023-03-22           HR   \n",
      "323  324      Chris Lee  19.0    Male  55000.0 2020-01-15        Sales   \n",
      "325  326   Mary Johnson  30.0  Female  72000.0 2023-03-22      Finance   \n",
      "328  329  Invalid#Name!  25.0    Male  45000.0 2020-01-15  InvalidDept   \n",
      "329  330  Invalid#Name!  25.0    Male  80000.0 2020-01-15      Finance   \n",
      "332  333     Anna Davis  25.0    Male  45000.0 2020-01-15        Sales   \n",
      "333  334   Mary Johnson  40.0    Male  55000.0 2021-06-01  InvalidDept   \n",
      "334  335  Invalid#Name!  25.0  Female  80000.0 2023-03-22        Sales   \n",
      "338  339     Anna Davis  25.0  Female  80000.0 2020-01-15      Finance   \n",
      "341  342      Chris Lee  25.0  Female  55000.0 2020-01-15           IT   \n",
      "343  344     Anna Davis  40.0    Male  80000.0 2023-03-22           HR   \n",
      "344  345      Chris Lee  23.0    Male  55000.0 2023-03-22  InvalidDept   \n",
      "350  351       John Doe  23.0    Male  55000.0 2023-03-22           IT   \n",
      "351  352      Chris Lee  40.0  Female  45000.0 2023-03-22  InvalidDept   \n",
      "354  355     Anna Davis  25.0  Female  72000.0 2020-01-15  InvalidDept   \n",
      "355  356  Invalid#Name!  40.0   Other  72000.0 2020-01-15           IT   \n",
      "356  357     Anna Davis  40.0    Male  80000.0 2020-01-15        Sales   \n",
      "357  358  Invalid#Name!  19.0  Female  55000.0 2023-03-22        Sales   \n",
      "361  362     Anna Davis  25.0   Other  55000.0 2021-06-01  InvalidDept   \n",
      "362  363     Anna Davis  30.0  Female  72000.0 2023-03-22           IT   \n",
      "365  366     Anna Davis  25.0   Other  80000.0 2020-01-15  InvalidDept   \n",
      "367  368      Chris Lee  19.0   Other  45000.0 2023-03-22           HR   \n",
      "368  369       John Doe  25.0  Female  80000.0 2020-01-15           IT   \n",
      "369  370      Chris Lee  30.0  Female  55000.0 2023-03-22           HR   \n",
      "370  371     Anna Davis  40.0   Other  45000.0 2023-03-22           IT   \n",
      "371  372     Anna Davis  40.0  Female  80000.0 2021-06-01           IT   \n",
      "377  378  Invalid#Name!  30.0  Female  55000.0 2021-06-01      Finance   \n",
      "378  379     Jane Smith  40.0    Male  55000.0 2021-06-01  InvalidDept   \n",
      "381  382     Jane Smith  19.0  Female  80000.0 2021-06-01      Finance   \n",
      "382  383  Invalid#Name!  30.0    Male  80000.0 2023-03-22        Sales   \n",
      "383  384     Jane Smith  30.0    Male  55000.0 2023-03-22        Sales   \n",
      "387  388     Jane Smith  25.0  Female  72000.0 2023-03-22      Finance   \n",
      "388  389       John Doe  23.0    Male  80000.0 2020-01-15        Sales   \n",
      "391  392   Mary Johnson  40.0  Female  80000.0 2021-06-01           IT   \n",
      "393  394     Anna Davis  25.0    Male  80000.0 2020-01-15           HR   \n",
      "394  395     Jane Smith  23.0  Female  72000.0 2020-01-15      Finance   \n",
      "395  396     Jane Smith  40.0    Male  45000.0 2021-06-01        Sales   \n",
      "396  397   Mary Johnson  40.0    Male  72000.0 2023-03-22           IT   \n",
      "397  398     Jane Smith  19.0  Female  45000.0 2023-03-22           HR   \n",
      "\n",
      "    Feedback Score  \n",
      "3                3  \n",
      "4                4  \n",
      "5    Not Available  \n",
      "6                3  \n",
      "7                2  \n",
      "12               1  \n",
      "14               1  \n",
      "17   Not Available  \n",
      "19               2  \n",
      "20               3  \n",
      "21               2  \n",
      "26               1  \n",
      "29               4  \n",
      "32               4  \n",
      "33               2  \n",
      "35               2  \n",
      "37               5  \n",
      "40               5  \n",
      "42               4  \n",
      "45               1  \n",
      "46               3  \n",
      "48               1  \n",
      "50               4  \n",
      "53               4  \n",
      "57               4  \n",
      "58               3  \n",
      "61               2  \n",
      "62               3  \n",
      "66               2  \n",
      "67               3  \n",
      "71   Not Available  \n",
      "72               4  \n",
      "73               2  \n",
      "75               1  \n",
      "78   Not Available  \n",
      "82               4  \n",
      "89   Not Available  \n",
      "90               1  \n",
      "91   Not Available  \n",
      "92               2  \n",
      "96   Not Available  \n",
      "99               4  \n",
      "103              5  \n",
      "104  Not Available  \n",
      "108              5  \n",
      "109              4  \n",
      "112              1  \n",
      "118              2  \n",
      "119  Not Available  \n",
      "120              1  \n",
      "122              4  \n",
      "128              4  \n",
      "129              1  \n",
      "132              5  \n",
      "134              1  \n",
      "139              1  \n",
      "140              1  \n",
      "141              3  \n",
      "143              4  \n",
      "145  Not Available  \n",
      "146              2  \n",
      "147              4  \n",
      "148              2  \n",
      "154  Not Available  \n",
      "156              4  \n",
      "157              5  \n",
      "158              4  \n",
      "159              2  \n",
      "161  Not Available  \n",
      "162              1  \n",
      "165              2  \n",
      "167              3  \n",
      "173              3  \n",
      "175              4  \n",
      "178  Not Available  \n",
      "179              5  \n",
      "180              3  \n",
      "184              3  \n",
      "185              2  \n",
      "187              4  \n",
      "189              2  \n",
      "190              1  \n",
      "191              2  \n",
      "199              1  \n",
      "203              5  \n",
      "204              4  \n",
      "207              1  \n",
      "209              1  \n",
      "211              5  \n",
      "213              5  \n",
      "214              2  \n",
      "216              1  \n",
      "218              4  \n",
      "219              5  \n",
      "221              4  \n",
      "223              5  \n",
      "228              5  \n",
      "230  Not Available  \n",
      "232              5  \n",
      "233              3  \n",
      "235              2  \n",
      "237  Not Available  \n",
      "238              3  \n",
      "240              3  \n",
      "242              3  \n",
      "243              2  \n",
      "246              2  \n",
      "248              3  \n",
      "249              2  \n",
      "251  Not Available  \n",
      "252  Not Available  \n",
      "253              1  \n",
      "256              1  \n",
      "257              3  \n",
      "264  Not Available  \n",
      "265              4  \n",
      "266              1  \n",
      "268              4  \n",
      "273              4  \n",
      "280  Not Available  \n",
      "283              5  \n",
      "288              3  \n",
      "290              3  \n",
      "291              4  \n",
      "294  Not Available  \n",
      "296              5  \n",
      "301              2  \n",
      "304              5  \n",
      "308              5  \n",
      "309              2  \n",
      "310  Not Available  \n",
      "314              1  \n",
      "317              2  \n",
      "318              2  \n",
      "319              5  \n",
      "322              2  \n",
      "323              5  \n",
      "325              4  \n",
      "328              1  \n",
      "329              4  \n",
      "332              5  \n",
      "333              4  \n",
      "334  Not Available  \n",
      "338              4  \n",
      "341              4  \n",
      "343              3  \n",
      "344              1  \n",
      "350              5  \n",
      "351              2  \n",
      "354              1  \n",
      "355              1  \n",
      "356              1  \n",
      "357              1  \n",
      "361              5  \n",
      "362              1  \n",
      "365              2  \n",
      "367              5  \n",
      "368              4  \n",
      "369              3  \n",
      "370  Not Available  \n",
      "371              2  \n",
      "377              4  \n",
      "378  Not Available  \n",
      "381              5  \n",
      "382              4  \n",
      "383              1  \n",
      "387              1  \n",
      "388  Not Available  \n",
      "391              5  \n",
      "393              3  \n",
      "394              1  \n",
      "395              5  \n",
      "396              4  \n",
      "397              5  \n"
     ]
    }
   ],
   "source": [
    "data['Gender'] = data['Gender'].replace({'M': 'Male', 'F': 'Female', 'Unknown': 'Other'})\n",
    "# pd.set_option('display.max_rows', None)  \n",
    "# pd.set_option('display.max_columns', None)  \n",
    "\n",
    "print(data)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "372c1398",
   "metadata": {
    "papermill": {
     "duration": 0.013523,
     "end_time": "2024-10-05T18:11:02.293641",
     "exception": false,
     "start_time": "2024-10-05T18:11:02.280118",
     "status": "completed"
    },
    "tags": []
   },
   "source": [
    "# Fix invalid salary entries by replacing NaN with the mean salary"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "id": "96d54700",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2024-10-05T18:11:02.323131Z",
     "iopub.status.busy": "2024-10-05T18:11:02.322162Z",
     "iopub.status.idle": "2024-10-05T18:11:02.353125Z",
     "shell.execute_reply": "2024-10-05T18:11:02.352076Z"
    },
    "papermill": {
     "duration": 0.049229,
     "end_time": "2024-10-05T18:11:02.356243",
     "exception": false,
     "start_time": "2024-10-05T18:11:02.307014",
     "status": "completed"
    },
    "tags": []
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "      ID           Name   Age  Gender   Salary  Join Date   Department  \\\n",
      "3      4     Anna Davis  25.0  Female  80000.0 2023-03-22           IT   \n",
      "4      5     Anna Davis  40.0  Female  80000.0 2020-01-15           IT   \n",
      "5      6     Jane Smith  25.0    Male  55000.0 2020-01-15      Finance   \n",
      "6      7   Mary Johnson  23.0    Male  45000.0 2021-06-01  InvalidDept   \n",
      "7      8   Mary Johnson  19.0   Other  72000.0 2020-01-15           HR   \n",
      "12    13  Invalid#Name!  25.0    Male  80000.0 2021-06-01      Finance   \n",
      "14    15     Jane Smith  19.0   Other  45000.0 2023-03-22           HR   \n",
      "17    18  Invalid#Name!  25.0    Male  45000.0 2020-01-15        Sales   \n",
      "19    20      Chris Lee  40.0  Female  80000.0 2023-03-22           HR   \n",
      "20    21     Anna Davis  19.0  Female  80000.0 2020-01-15           IT   \n",
      "21    22       John Doe  25.0  Female  55000.0 2020-01-15           IT   \n",
      "26    27      Chris Lee  25.0    Male  45000.0 2020-01-15           HR   \n",
      "29    30   Mary Johnson  30.0  Female  80000.0 2023-03-22           HR   \n",
      "32    33      Chris Lee  23.0  Female  45000.0 2021-06-01           IT   \n",
      "33    34      Chris Lee  40.0   Other  55000.0 2020-01-15           IT   \n",
      "35    36  Invalid#Name!  25.0    Male  45000.0 2020-01-15           IT   \n",
      "37    38   Mary Johnson  40.0    Male  55000.0 2023-03-22           IT   \n",
      "40    41       John Doe  40.0   Other  72000.0 2023-03-22           HR   \n",
      "42    43     Anna Davis  19.0  Female  55000.0 2021-06-01  InvalidDept   \n",
      "45    46       John Doe  40.0    Male  55000.0 2021-06-01           HR   \n",
      "46    47     Jane Smith  25.0  Female  55000.0 2020-01-15           HR   \n",
      "48    49       John Doe  25.0    Male  55000.0 2020-01-15           IT   \n",
      "50    51  Invalid#Name!  30.0  Female  45000.0 2023-03-22           IT   \n",
      "53    54       John Doe  25.0    Male  72000.0 2023-03-22      Finance   \n",
      "57    58      Chris Lee  25.0    Male  45000.0 2021-06-01           IT   \n",
      "58    59      Chris Lee  40.0    Male  72000.0 2020-01-15           IT   \n",
      "61    62     Anna Davis  25.0    Male  45000.0 2021-06-01        Sales   \n",
      "62    63   Mary Johnson  40.0  Female  45000.0 2021-06-01           IT   \n",
      "66    67     Jane Smith  23.0   Other  55000.0 2021-06-01        Sales   \n",
      "67    68      Chris Lee  25.0  Female  72000.0 2020-01-15  InvalidDept   \n",
      "71    72  Invalid#Name!  40.0    Male  45000.0 2023-03-22           IT   \n",
      "72    73     Jane Smith  40.0  Female  72000.0 2021-06-01      Finance   \n",
      "73    74      Chris Lee  23.0  Female  45000.0 2020-01-15        Sales   \n",
      "75    76     Anna Davis  40.0  Female  72000.0 2021-06-01  InvalidDept   \n",
      "78    79      Chris Lee  30.0  Female  72000.0 2020-01-15        Sales   \n",
      "82    83      Chris Lee  40.0    Male  80000.0 2021-06-01  InvalidDept   \n",
      "89    90     Anna Davis  23.0  Female  80000.0 2021-06-01      Finance   \n",
      "90    91     Jane Smith  19.0    Male  45000.0 2021-06-01  InvalidDept   \n",
      "91    92     Anna Davis  19.0    Male  80000.0 2020-01-15  InvalidDept   \n",
      "92    93     Jane Smith  19.0    Male  80000.0 2023-03-22           HR   \n",
      "96    97      Chris Lee  25.0   Other  45000.0 2021-06-01           IT   \n",
      "99   100     Anna Davis  25.0    Male  55000.0 2020-01-15  InvalidDept   \n",
      "103  104       John Doe  40.0  Female  45000.0 2023-03-22        Sales   \n",
      "104  105       John Doe  25.0  Female  55000.0 2021-06-01        Sales   \n",
      "108  109       John Doe  25.0    Male  72000.0 2020-01-15           HR   \n",
      "109  110   Mary Johnson  25.0    Male  45000.0 2023-03-22        Sales   \n",
      "112  113   Mary Johnson  25.0  Female  55000.0 2023-03-22           IT   \n",
      "118  119       John Doe  25.0  Female  45000.0 2023-03-22      Finance   \n",
      "119  120      Chris Lee  25.0   Other  72000.0 2021-06-01      Finance   \n",
      "120  121     Jane Smith  23.0    Male  55000.0 2020-01-15           IT   \n",
      "122  123  Invalid#Name!  30.0  Female  45000.0 2023-03-22        Sales   \n",
      "128  129   Mary Johnson  23.0   Other  45000.0 2023-03-22      Finance   \n",
      "129  130       John Doe  23.0    Male  80000.0 2023-03-22           IT   \n",
      "132  133  Invalid#Name!  30.0    Male  45000.0 2023-03-22        Sales   \n",
      "134  135       John Doe  25.0    Male  55000.0 2020-01-15  InvalidDept   \n",
      "139  140       John Doe  30.0  Female  72000.0 2020-01-15  InvalidDept   \n",
      "140  141     Jane Smith  25.0  Female  72000.0 2023-03-22           HR   \n",
      "141  142     Jane Smith  40.0    Male  80000.0 2023-03-22        Sales   \n",
      "143  144     Anna Davis  25.0   Other  80000.0 2023-03-22           HR   \n",
      "145  146       John Doe  25.0    Male  55000.0 2020-01-15           HR   \n",
      "146  147      Chris Lee  40.0    Male  55000.0 2020-01-15           HR   \n",
      "147  148     Anna Davis  30.0    Male  45000.0 2021-06-01        Sales   \n",
      "148  149      Chris Lee  25.0    Male  80000.0 2023-03-22           IT   \n",
      "154  155      Chris Lee  25.0  Female  72000.0 2021-06-01        Sales   \n",
      "156  157   Mary Johnson  19.0    Male  55000.0 2023-03-22      Finance   \n",
      "157  158   Mary Johnson  25.0    Male  45000.0 2023-03-22           IT   \n",
      "158  159  Invalid#Name!  30.0    Male  80000.0 2021-06-01      Finance   \n",
      "159  160      Chris Lee  23.0   Other  72000.0 2023-03-22           IT   \n",
      "161  162     Jane Smith  25.0  Female  55000.0 2020-01-15           IT   \n",
      "162  163     Anna Davis  40.0    Male  55000.0 2020-01-15        Sales   \n",
      "165  166     Anna Davis  30.0  Female  72000.0 2023-03-22  InvalidDept   \n",
      "167  168      Chris Lee  25.0  Female  80000.0 2023-03-22      Finance   \n",
      "173  174  Invalid#Name!  25.0  Female  72000.0 2023-03-22           HR   \n",
      "175  176     Jane Smith  23.0    Male  72000.0 2020-01-15  InvalidDept   \n",
      "178  179  Invalid#Name!  30.0  Female  72000.0 2020-01-15  InvalidDept   \n",
      "179  180       John Doe  25.0  Female  45000.0 2020-01-15           HR   \n",
      "180  181       John Doe  25.0    Male  55000.0 2021-06-01           HR   \n",
      "184  185       John Doe  25.0    Male  45000.0 2021-06-01      Finance   \n",
      "185  186      Chris Lee  23.0  Female  55000.0 2023-03-22  InvalidDept   \n",
      "187  188       John Doe  23.0   Other  45000.0 2020-01-15           IT   \n",
      "189  190  Invalid#Name!  23.0  Female  45000.0 2020-01-15           HR   \n",
      "190  191   Mary Johnson  19.0  Female  55000.0 2021-06-01  InvalidDept   \n",
      "191  192       John Doe  23.0  Female  80000.0 2020-01-15        Sales   \n",
      "199  200  Invalid#Name!  30.0   Other  55000.0 2020-01-15  InvalidDept   \n",
      "203  204  Invalid#Name!  40.0    Male  55000.0 2021-06-01        Sales   \n",
      "204  205       John Doe  23.0  Female  80000.0 2023-03-22           IT   \n",
      "207  208      Chris Lee  23.0    Male  55000.0 2020-01-15           IT   \n",
      "209  210     Jane Smith  19.0    Male  55000.0 2023-03-22      Finance   \n",
      "211  212       John Doe  30.0    Male  45000.0 2021-06-01           HR   \n",
      "213  214       John Doe  40.0   Other  55000.0 2020-01-15  InvalidDept   \n",
      "214  215       John Doe  40.0  Female  45000.0 2021-06-01           HR   \n",
      "216  217       John Doe  25.0  Female  45000.0 2020-01-15           IT   \n",
      "218  219     Jane Smith  25.0  Female  55000.0 2020-01-15        Sales   \n",
      "219  220      Chris Lee  30.0    Male  72000.0 2023-03-22  InvalidDept   \n",
      "221  222     Anna Davis  25.0    Male  55000.0 2021-06-01           IT   \n",
      "223  224       John Doe  23.0    Male  80000.0 2023-03-22        Sales   \n",
      "228  229      Chris Lee  19.0    Male  55000.0 2021-06-01  InvalidDept   \n",
      "230  231  Invalid#Name!  40.0    Male  80000.0 2021-06-01           HR   \n",
      "232  233   Mary Johnson  40.0    Male  80000.0 2021-06-01      Finance   \n",
      "233  234   Mary Johnson  30.0   Other  55000.0 2020-01-15           IT   \n",
      "235  236  Invalid#Name!  25.0   Other  45000.0 2021-06-01           IT   \n",
      "237  238      Chris Lee  23.0  Female  80000.0 2023-03-22           IT   \n",
      "238  239     Jane Smith  25.0    Male  72000.0 2023-03-22           HR   \n",
      "240  241  Invalid#Name!  25.0    Male  55000.0 2021-06-01      Finance   \n",
      "242  243       John Doe  40.0    Male  55000.0 2020-01-15        Sales   \n",
      "243  244       John Doe  19.0  Female  72000.0 2021-06-01           HR   \n",
      "246  247  Invalid#Name!  25.0    Male  45000.0 2023-03-22  InvalidDept   \n",
      "248  249   Mary Johnson  25.0    Male  80000.0 2021-06-01           HR   \n",
      "249  250      Chris Lee  30.0    Male  72000.0 2023-03-22           IT   \n",
      "251  252   Mary Johnson  25.0    Male  55000.0 2023-03-22           IT   \n",
      "252  253      Chris Lee  40.0    Male  80000.0 2020-01-15           IT   \n",
      "253  254   Mary Johnson  40.0  Female  80000.0 2023-03-22           HR   \n",
      "256  257   Mary Johnson  30.0    Male  72000.0 2021-06-01           HR   \n",
      "257  258      Chris Lee  40.0    Male  45000.0 2021-06-01  InvalidDept   \n",
      "264  265      Chris Lee  25.0  Female  80000.0 2021-06-01           IT   \n",
      "265  266       John Doe  25.0   Other  45000.0 2021-06-01  InvalidDept   \n",
      "266  267       John Doe  19.0  Female  55000.0 2023-03-22        Sales   \n",
      "268  269  Invalid#Name!  30.0    Male  72000.0 2020-01-15           IT   \n",
      "273  274       John Doe  25.0    Male  45000.0 2023-03-22  InvalidDept   \n",
      "280  281      Chris Lee  25.0  Female  55000.0 2021-06-01           IT   \n",
      "283  284   Mary Johnson  25.0    Male  45000.0 2023-03-22        Sales   \n",
      "288  289   Mary Johnson  23.0  Female  80000.0 2021-06-01           HR   \n",
      "290  291  Invalid#Name!  40.0    Male  55000.0 2021-06-01        Sales   \n",
      "291  292       John Doe  25.0    Male  45000.0 2021-06-01           IT   \n",
      "294  295       John Doe  25.0   Other  55000.0 2020-01-15           IT   \n",
      "296  297  Invalid#Name!  23.0    Male  72000.0 2020-01-15           HR   \n",
      "301  302       John Doe  25.0    Male  55000.0 2020-01-15        Sales   \n",
      "304  305     Anna Davis  40.0   Other  80000.0 2023-03-22           IT   \n",
      "308  309     Jane Smith  40.0  Female  45000.0 2021-06-01           IT   \n",
      "309  310  Invalid#Name!  30.0    Male  80000.0 2023-03-22  InvalidDept   \n",
      "310  311   Mary Johnson  25.0  Female  45000.0 2021-06-01        Sales   \n",
      "314  315       John Doe  30.0    Male  72000.0 2020-01-15        Sales   \n",
      "317  318  Invalid#Name!  25.0    Male  80000.0 2023-03-22  InvalidDept   \n",
      "318  319     Anna Davis  23.0   Other  45000.0 2023-03-22  InvalidDept   \n",
      "319  320      Chris Lee  23.0    Male  80000.0 2020-01-15      Finance   \n",
      "322  323       John Doe  40.0    Male  45000.0 2023-03-22           HR   \n",
      "323  324      Chris Lee  19.0    Male  55000.0 2020-01-15        Sales   \n",
      "325  326   Mary Johnson  30.0  Female  72000.0 2023-03-22      Finance   \n",
      "328  329  Invalid#Name!  25.0    Male  45000.0 2020-01-15  InvalidDept   \n",
      "329  330  Invalid#Name!  25.0    Male  80000.0 2020-01-15      Finance   \n",
      "332  333     Anna Davis  25.0    Male  45000.0 2020-01-15        Sales   \n",
      "333  334   Mary Johnson  40.0    Male  55000.0 2021-06-01  InvalidDept   \n",
      "334  335  Invalid#Name!  25.0  Female  80000.0 2023-03-22        Sales   \n",
      "338  339     Anna Davis  25.0  Female  80000.0 2020-01-15      Finance   \n",
      "341  342      Chris Lee  25.0  Female  55000.0 2020-01-15           IT   \n",
      "343  344     Anna Davis  40.0    Male  80000.0 2023-03-22           HR   \n",
      "344  345      Chris Lee  23.0    Male  55000.0 2023-03-22  InvalidDept   \n",
      "350  351       John Doe  23.0    Male  55000.0 2023-03-22           IT   \n",
      "351  352      Chris Lee  40.0  Female  45000.0 2023-03-22  InvalidDept   \n",
      "354  355     Anna Davis  25.0  Female  72000.0 2020-01-15  InvalidDept   \n",
      "355  356  Invalid#Name!  40.0   Other  72000.0 2020-01-15           IT   \n",
      "356  357     Anna Davis  40.0    Male  80000.0 2020-01-15        Sales   \n",
      "357  358  Invalid#Name!  19.0  Female  55000.0 2023-03-22        Sales   \n",
      "361  362     Anna Davis  25.0   Other  55000.0 2021-06-01  InvalidDept   \n",
      "362  363     Anna Davis  30.0  Female  72000.0 2023-03-22           IT   \n",
      "365  366     Anna Davis  25.0   Other  80000.0 2020-01-15  InvalidDept   \n",
      "367  368      Chris Lee  19.0   Other  45000.0 2023-03-22           HR   \n",
      "368  369       John Doe  25.0  Female  80000.0 2020-01-15           IT   \n",
      "369  370      Chris Lee  30.0  Female  55000.0 2023-03-22           HR   \n",
      "370  371     Anna Davis  40.0   Other  45000.0 2023-03-22           IT   \n",
      "371  372     Anna Davis  40.0  Female  80000.0 2021-06-01           IT   \n",
      "377  378  Invalid#Name!  30.0  Female  55000.0 2021-06-01      Finance   \n",
      "378  379     Jane Smith  40.0    Male  55000.0 2021-06-01  InvalidDept   \n",
      "381  382     Jane Smith  19.0  Female  80000.0 2021-06-01      Finance   \n",
      "382  383  Invalid#Name!  30.0    Male  80000.0 2023-03-22        Sales   \n",
      "383  384     Jane Smith  30.0    Male  55000.0 2023-03-22        Sales   \n",
      "387  388     Jane Smith  25.0  Female  72000.0 2023-03-22      Finance   \n",
      "388  389       John Doe  23.0    Male  80000.0 2020-01-15        Sales   \n",
      "391  392   Mary Johnson  40.0  Female  80000.0 2021-06-01           IT   \n",
      "393  394     Anna Davis  25.0    Male  80000.0 2020-01-15           HR   \n",
      "394  395     Jane Smith  23.0  Female  72000.0 2020-01-15      Finance   \n",
      "395  396     Jane Smith  40.0    Male  45000.0 2021-06-01        Sales   \n",
      "396  397   Mary Johnson  40.0    Male  72000.0 2023-03-22           IT   \n",
      "397  398     Jane Smith  19.0  Female  45000.0 2023-03-22           HR   \n",
      "\n",
      "    Feedback Score  \n",
      "3                3  \n",
      "4                4  \n",
      "5    Not Available  \n",
      "6                3  \n",
      "7                2  \n",
      "12               1  \n",
      "14               1  \n",
      "17   Not Available  \n",
      "19               2  \n",
      "20               3  \n",
      "21               2  \n",
      "26               1  \n",
      "29               4  \n",
      "32               4  \n",
      "33               2  \n",
      "35               2  \n",
      "37               5  \n",
      "40               5  \n",
      "42               4  \n",
      "45               1  \n",
      "46               3  \n",
      "48               1  \n",
      "50               4  \n",
      "53               4  \n",
      "57               4  \n",
      "58               3  \n",
      "61               2  \n",
      "62               3  \n",
      "66               2  \n",
      "67               3  \n",
      "71   Not Available  \n",
      "72               4  \n",
      "73               2  \n",
      "75               1  \n",
      "78   Not Available  \n",
      "82               4  \n",
      "89   Not Available  \n",
      "90               1  \n",
      "91   Not Available  \n",
      "92               2  \n",
      "96   Not Available  \n",
      "99               4  \n",
      "103              5  \n",
      "104  Not Available  \n",
      "108              5  \n",
      "109              4  \n",
      "112              1  \n",
      "118              2  \n",
      "119  Not Available  \n",
      "120              1  \n",
      "122              4  \n",
      "128              4  \n",
      "129              1  \n",
      "132              5  \n",
      "134              1  \n",
      "139              1  \n",
      "140              1  \n",
      "141              3  \n",
      "143              4  \n",
      "145  Not Available  \n",
      "146              2  \n",
      "147              4  \n",
      "148              2  \n",
      "154  Not Available  \n",
      "156              4  \n",
      "157              5  \n",
      "158              4  \n",
      "159              2  \n",
      "161  Not Available  \n",
      "162              1  \n",
      "165              2  \n",
      "167              3  \n",
      "173              3  \n",
      "175              4  \n",
      "178  Not Available  \n",
      "179              5  \n",
      "180              3  \n",
      "184              3  \n",
      "185              2  \n",
      "187              4  \n",
      "189              2  \n",
      "190              1  \n",
      "191              2  \n",
      "199              1  \n",
      "203              5  \n",
      "204              4  \n",
      "207              1  \n",
      "209              1  \n",
      "211              5  \n",
      "213              5  \n",
      "214              2  \n",
      "216              1  \n",
      "218              4  \n",
      "219              5  \n",
      "221              4  \n",
      "223              5  \n",
      "228              5  \n",
      "230  Not Available  \n",
      "232              5  \n",
      "233              3  \n",
      "235              2  \n",
      "237  Not Available  \n",
      "238              3  \n",
      "240              3  \n",
      "242              3  \n",
      "243              2  \n",
      "246              2  \n",
      "248              3  \n",
      "249              2  \n",
      "251  Not Available  \n",
      "252  Not Available  \n",
      "253              1  \n",
      "256              1  \n",
      "257              3  \n",
      "264  Not Available  \n",
      "265              4  \n",
      "266              1  \n",
      "268              4  \n",
      "273              4  \n",
      "280  Not Available  \n",
      "283              5  \n",
      "288              3  \n",
      "290              3  \n",
      "291              4  \n",
      "294  Not Available  \n",
      "296              5  \n",
      "301              2  \n",
      "304              5  \n",
      "308              5  \n",
      "309              2  \n",
      "310  Not Available  \n",
      "314              1  \n",
      "317              2  \n",
      "318              2  \n",
      "319              5  \n",
      "322              2  \n",
      "323              5  \n",
      "325              4  \n",
      "328              1  \n",
      "329              4  \n",
      "332              5  \n",
      "333              4  \n",
      "334  Not Available  \n",
      "338              4  \n",
      "341              4  \n",
      "343              3  \n",
      "344              1  \n",
      "350              5  \n",
      "351              2  \n",
      "354              1  \n",
      "355              1  \n",
      "356              1  \n",
      "357              1  \n",
      "361              5  \n",
      "362              1  \n",
      "365              2  \n",
      "367              5  \n",
      "368              4  \n",
      "369              3  \n",
      "370  Not Available  \n",
      "371              2  \n",
      "377              4  \n",
      "378  Not Available  \n",
      "381              5  \n",
      "382              4  \n",
      "383              1  \n",
      "387              1  \n",
      "388  Not Available  \n",
      "391              5  \n",
      "393              3  \n",
      "394              1  \n",
      "395              5  \n",
      "396              4  \n",
      "397              5  \n"
     ]
    }
   ],
   "source": [
    "data['Salary'] = data['Salary'].fillna(data['Salary'].mean())\n",
    "print(data)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "67bc527f",
   "metadata": {
    "papermill": {
     "duration": 0.015146,
     "end_time": "2024-10-05T18:11:02.386539",
     "exception": false,
     "start_time": "2024-10-05T18:11:02.371393",
     "status": "completed"
    },
    "tags": []
   },
   "source": [
    "# Validate Feedback Scores"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "id": "25eef4c4",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2024-10-05T18:11:02.416314Z",
     "iopub.status.busy": "2024-10-05T18:11:02.415890Z",
     "iopub.status.idle": "2024-10-05T18:11:02.446883Z",
     "shell.execute_reply": "2024-10-05T18:11:02.445753Z"
    },
    "papermill": {
     "duration": 0.049262,
     "end_time": "2024-10-05T18:11:02.449983",
     "exception": false,
     "start_time": "2024-10-05T18:11:02.400721",
     "status": "completed"
    },
    "tags": []
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "      ID           Name   Age  Gender   Salary  Join Date   Department  \\\n",
      "3      4     Anna Davis  25.0  Female  80000.0 2023-03-22           IT   \n",
      "4      5     Anna Davis  40.0  Female  80000.0 2020-01-15           IT   \n",
      "6      7   Mary Johnson  23.0    Male  45000.0 2021-06-01  InvalidDept   \n",
      "7      8   Mary Johnson  19.0   Other  72000.0 2020-01-15           HR   \n",
      "12    13  Invalid#Name!  25.0    Male  80000.0 2021-06-01      Finance   \n",
      "14    15     Jane Smith  19.0   Other  45000.0 2023-03-22           HR   \n",
      "19    20      Chris Lee  40.0  Female  80000.0 2023-03-22           HR   \n",
      "20    21     Anna Davis  19.0  Female  80000.0 2020-01-15           IT   \n",
      "21    22       John Doe  25.0  Female  55000.0 2020-01-15           IT   \n",
      "26    27      Chris Lee  25.0    Male  45000.0 2020-01-15           HR   \n",
      "29    30   Mary Johnson  30.0  Female  80000.0 2023-03-22           HR   \n",
      "32    33      Chris Lee  23.0  Female  45000.0 2021-06-01           IT   \n",
      "33    34      Chris Lee  40.0   Other  55000.0 2020-01-15           IT   \n",
      "35    36  Invalid#Name!  25.0    Male  45000.0 2020-01-15           IT   \n",
      "37    38   Mary Johnson  40.0    Male  55000.0 2023-03-22           IT   \n",
      "40    41       John Doe  40.0   Other  72000.0 2023-03-22           HR   \n",
      "42    43     Anna Davis  19.0  Female  55000.0 2021-06-01  InvalidDept   \n",
      "45    46       John Doe  40.0    Male  55000.0 2021-06-01           HR   \n",
      "46    47     Jane Smith  25.0  Female  55000.0 2020-01-15           HR   \n",
      "48    49       John Doe  25.0    Male  55000.0 2020-01-15           IT   \n",
      "50    51  Invalid#Name!  30.0  Female  45000.0 2023-03-22           IT   \n",
      "53    54       John Doe  25.0    Male  72000.0 2023-03-22      Finance   \n",
      "57    58      Chris Lee  25.0    Male  45000.0 2021-06-01           IT   \n",
      "58    59      Chris Lee  40.0    Male  72000.0 2020-01-15           IT   \n",
      "61    62     Anna Davis  25.0    Male  45000.0 2021-06-01        Sales   \n",
      "62    63   Mary Johnson  40.0  Female  45000.0 2021-06-01           IT   \n",
      "66    67     Jane Smith  23.0   Other  55000.0 2021-06-01        Sales   \n",
      "67    68      Chris Lee  25.0  Female  72000.0 2020-01-15  InvalidDept   \n",
      "72    73     Jane Smith  40.0  Female  72000.0 2021-06-01      Finance   \n",
      "73    74      Chris Lee  23.0  Female  45000.0 2020-01-15        Sales   \n",
      "75    76     Anna Davis  40.0  Female  72000.0 2021-06-01  InvalidDept   \n",
      "82    83      Chris Lee  40.0    Male  80000.0 2021-06-01  InvalidDept   \n",
      "90    91     Jane Smith  19.0    Male  45000.0 2021-06-01  InvalidDept   \n",
      "92    93     Jane Smith  19.0    Male  80000.0 2023-03-22           HR   \n",
      "99   100     Anna Davis  25.0    Male  55000.0 2020-01-15  InvalidDept   \n",
      "103  104       John Doe  40.0  Female  45000.0 2023-03-22        Sales   \n",
      "108  109       John Doe  25.0    Male  72000.0 2020-01-15           HR   \n",
      "109  110   Mary Johnson  25.0    Male  45000.0 2023-03-22        Sales   \n",
      "112  113   Mary Johnson  25.0  Female  55000.0 2023-03-22           IT   \n",
      "118  119       John Doe  25.0  Female  45000.0 2023-03-22      Finance   \n",
      "120  121     Jane Smith  23.0    Male  55000.0 2020-01-15           IT   \n",
      "122  123  Invalid#Name!  30.0  Female  45000.0 2023-03-22        Sales   \n",
      "128  129   Mary Johnson  23.0   Other  45000.0 2023-03-22      Finance   \n",
      "129  130       John Doe  23.0    Male  80000.0 2023-03-22           IT   \n",
      "132  133  Invalid#Name!  30.0    Male  45000.0 2023-03-22        Sales   \n",
      "134  135       John Doe  25.0    Male  55000.0 2020-01-15  InvalidDept   \n",
      "139  140       John Doe  30.0  Female  72000.0 2020-01-15  InvalidDept   \n",
      "140  141     Jane Smith  25.0  Female  72000.0 2023-03-22           HR   \n",
      "141  142     Jane Smith  40.0    Male  80000.0 2023-03-22        Sales   \n",
      "143  144     Anna Davis  25.0   Other  80000.0 2023-03-22           HR   \n",
      "146  147      Chris Lee  40.0    Male  55000.0 2020-01-15           HR   \n",
      "147  148     Anna Davis  30.0    Male  45000.0 2021-06-01        Sales   \n",
      "148  149      Chris Lee  25.0    Male  80000.0 2023-03-22           IT   \n",
      "156  157   Mary Johnson  19.0    Male  55000.0 2023-03-22      Finance   \n",
      "157  158   Mary Johnson  25.0    Male  45000.0 2023-03-22           IT   \n",
      "158  159  Invalid#Name!  30.0    Male  80000.0 2021-06-01      Finance   \n",
      "159  160      Chris Lee  23.0   Other  72000.0 2023-03-22           IT   \n",
      "162  163     Anna Davis  40.0    Male  55000.0 2020-01-15        Sales   \n",
      "165  166     Anna Davis  30.0  Female  72000.0 2023-03-22  InvalidDept   \n",
      "167  168      Chris Lee  25.0  Female  80000.0 2023-03-22      Finance   \n",
      "173  174  Invalid#Name!  25.0  Female  72000.0 2023-03-22           HR   \n",
      "175  176     Jane Smith  23.0    Male  72000.0 2020-01-15  InvalidDept   \n",
      "179  180       John Doe  25.0  Female  45000.0 2020-01-15           HR   \n",
      "180  181       John Doe  25.0    Male  55000.0 2021-06-01           HR   \n",
      "184  185       John Doe  25.0    Male  45000.0 2021-06-01      Finance   \n",
      "185  186      Chris Lee  23.0  Female  55000.0 2023-03-22  InvalidDept   \n",
      "187  188       John Doe  23.0   Other  45000.0 2020-01-15           IT   \n",
      "189  190  Invalid#Name!  23.0  Female  45000.0 2020-01-15           HR   \n",
      "190  191   Mary Johnson  19.0  Female  55000.0 2021-06-01  InvalidDept   \n",
      "191  192       John Doe  23.0  Female  80000.0 2020-01-15        Sales   \n",
      "199  200  Invalid#Name!  30.0   Other  55000.0 2020-01-15  InvalidDept   \n",
      "203  204  Invalid#Name!  40.0    Male  55000.0 2021-06-01        Sales   \n",
      "204  205       John Doe  23.0  Female  80000.0 2023-03-22           IT   \n",
      "207  208      Chris Lee  23.0    Male  55000.0 2020-01-15           IT   \n",
      "209  210     Jane Smith  19.0    Male  55000.0 2023-03-22      Finance   \n",
      "211  212       John Doe  30.0    Male  45000.0 2021-06-01           HR   \n",
      "213  214       John Doe  40.0   Other  55000.0 2020-01-15  InvalidDept   \n",
      "214  215       John Doe  40.0  Female  45000.0 2021-06-01           HR   \n",
      "216  217       John Doe  25.0  Female  45000.0 2020-01-15           IT   \n",
      "218  219     Jane Smith  25.0  Female  55000.0 2020-01-15        Sales   \n",
      "219  220      Chris Lee  30.0    Male  72000.0 2023-03-22  InvalidDept   \n",
      "221  222     Anna Davis  25.0    Male  55000.0 2021-06-01           IT   \n",
      "223  224       John Doe  23.0    Male  80000.0 2023-03-22        Sales   \n",
      "228  229      Chris Lee  19.0    Male  55000.0 2021-06-01  InvalidDept   \n",
      "232  233   Mary Johnson  40.0    Male  80000.0 2021-06-01      Finance   \n",
      "233  234   Mary Johnson  30.0   Other  55000.0 2020-01-15           IT   \n",
      "235  236  Invalid#Name!  25.0   Other  45000.0 2021-06-01           IT   \n",
      "238  239     Jane Smith  25.0    Male  72000.0 2023-03-22           HR   \n",
      "240  241  Invalid#Name!  25.0    Male  55000.0 2021-06-01      Finance   \n",
      "242  243       John Doe  40.0    Male  55000.0 2020-01-15        Sales   \n",
      "243  244       John Doe  19.0  Female  72000.0 2021-06-01           HR   \n",
      "246  247  Invalid#Name!  25.0    Male  45000.0 2023-03-22  InvalidDept   \n",
      "248  249   Mary Johnson  25.0    Male  80000.0 2021-06-01           HR   \n",
      "249  250      Chris Lee  30.0    Male  72000.0 2023-03-22           IT   \n",
      "253  254   Mary Johnson  40.0  Female  80000.0 2023-03-22           HR   \n",
      "256  257   Mary Johnson  30.0    Male  72000.0 2021-06-01           HR   \n",
      "257  258      Chris Lee  40.0    Male  45000.0 2021-06-01  InvalidDept   \n",
      "265  266       John Doe  25.0   Other  45000.0 2021-06-01  InvalidDept   \n",
      "266  267       John Doe  19.0  Female  55000.0 2023-03-22        Sales   \n",
      "268  269  Invalid#Name!  30.0    Male  72000.0 2020-01-15           IT   \n",
      "273  274       John Doe  25.0    Male  45000.0 2023-03-22  InvalidDept   \n",
      "283  284   Mary Johnson  25.0    Male  45000.0 2023-03-22        Sales   \n",
      "288  289   Mary Johnson  23.0  Female  80000.0 2021-06-01           HR   \n",
      "290  291  Invalid#Name!  40.0    Male  55000.0 2021-06-01        Sales   \n",
      "291  292       John Doe  25.0    Male  45000.0 2021-06-01           IT   \n",
      "296  297  Invalid#Name!  23.0    Male  72000.0 2020-01-15           HR   \n",
      "301  302       John Doe  25.0    Male  55000.0 2020-01-15        Sales   \n",
      "304  305     Anna Davis  40.0   Other  80000.0 2023-03-22           IT   \n",
      "308  309     Jane Smith  40.0  Female  45000.0 2021-06-01           IT   \n",
      "309  310  Invalid#Name!  30.0    Male  80000.0 2023-03-22  InvalidDept   \n",
      "314  315       John Doe  30.0    Male  72000.0 2020-01-15        Sales   \n",
      "317  318  Invalid#Name!  25.0    Male  80000.0 2023-03-22  InvalidDept   \n",
      "318  319     Anna Davis  23.0   Other  45000.0 2023-03-22  InvalidDept   \n",
      "319  320      Chris Lee  23.0    Male  80000.0 2020-01-15      Finance   \n",
      "322  323       John Doe  40.0    Male  45000.0 2023-03-22           HR   \n",
      "323  324      Chris Lee  19.0    Male  55000.0 2020-01-15        Sales   \n",
      "325  326   Mary Johnson  30.0  Female  72000.0 2023-03-22      Finance   \n",
      "328  329  Invalid#Name!  25.0    Male  45000.0 2020-01-15  InvalidDept   \n",
      "329  330  Invalid#Name!  25.0    Male  80000.0 2020-01-15      Finance   \n",
      "332  333     Anna Davis  25.0    Male  45000.0 2020-01-15        Sales   \n",
      "333  334   Mary Johnson  40.0    Male  55000.0 2021-06-01  InvalidDept   \n",
      "338  339     Anna Davis  25.0  Female  80000.0 2020-01-15      Finance   \n",
      "341  342      Chris Lee  25.0  Female  55000.0 2020-01-15           IT   \n",
      "343  344     Anna Davis  40.0    Male  80000.0 2023-03-22           HR   \n",
      "344  345      Chris Lee  23.0    Male  55000.0 2023-03-22  InvalidDept   \n",
      "350  351       John Doe  23.0    Male  55000.0 2023-03-22           IT   \n",
      "351  352      Chris Lee  40.0  Female  45000.0 2023-03-22  InvalidDept   \n",
      "354  355     Anna Davis  25.0  Female  72000.0 2020-01-15  InvalidDept   \n",
      "355  356  Invalid#Name!  40.0   Other  72000.0 2020-01-15           IT   \n",
      "356  357     Anna Davis  40.0    Male  80000.0 2020-01-15        Sales   \n",
      "357  358  Invalid#Name!  19.0  Female  55000.0 2023-03-22        Sales   \n",
      "361  362     Anna Davis  25.0   Other  55000.0 2021-06-01  InvalidDept   \n",
      "362  363     Anna Davis  30.0  Female  72000.0 2023-03-22           IT   \n",
      "365  366     Anna Davis  25.0   Other  80000.0 2020-01-15  InvalidDept   \n",
      "367  368      Chris Lee  19.0   Other  45000.0 2023-03-22           HR   \n",
      "368  369       John Doe  25.0  Female  80000.0 2020-01-15           IT   \n",
      "369  370      Chris Lee  30.0  Female  55000.0 2023-03-22           HR   \n",
      "371  372     Anna Davis  40.0  Female  80000.0 2021-06-01           IT   \n",
      "377  378  Invalid#Name!  30.0  Female  55000.0 2021-06-01      Finance   \n",
      "381  382     Jane Smith  19.0  Female  80000.0 2021-06-01      Finance   \n",
      "382  383  Invalid#Name!  30.0    Male  80000.0 2023-03-22        Sales   \n",
      "383  384     Jane Smith  30.0    Male  55000.0 2023-03-22        Sales   \n",
      "387  388     Jane Smith  25.0  Female  72000.0 2023-03-22      Finance   \n",
      "391  392   Mary Johnson  40.0  Female  80000.0 2021-06-01           IT   \n",
      "393  394     Anna Davis  25.0    Male  80000.0 2020-01-15           HR   \n",
      "394  395     Jane Smith  23.0  Female  72000.0 2020-01-15      Finance   \n",
      "395  396     Jane Smith  40.0    Male  45000.0 2021-06-01        Sales   \n",
      "396  397   Mary Johnson  40.0    Male  72000.0 2023-03-22           IT   \n",
      "397  398     Jane Smith  19.0  Female  45000.0 2023-03-22           HR   \n",
      "\n",
      "     Feedback Score  \n",
      "3               3.0  \n",
      "4               4.0  \n",
      "6               3.0  \n",
      "7               2.0  \n",
      "12              1.0  \n",
      "14              1.0  \n",
      "19              2.0  \n",
      "20              3.0  \n",
      "21              2.0  \n",
      "26              1.0  \n",
      "29              4.0  \n",
      "32              4.0  \n",
      "33              2.0  \n",
      "35              2.0  \n",
      "37              5.0  \n",
      "40              5.0  \n",
      "42              4.0  \n",
      "45              1.0  \n",
      "46              3.0  \n",
      "48              1.0  \n",
      "50              4.0  \n",
      "53              4.0  \n",
      "57              4.0  \n",
      "58              3.0  \n",
      "61              2.0  \n",
      "62              3.0  \n",
      "66              2.0  \n",
      "67              3.0  \n",
      "72              4.0  \n",
      "73              2.0  \n",
      "75              1.0  \n",
      "82              4.0  \n",
      "90              1.0  \n",
      "92              2.0  \n",
      "99              4.0  \n",
      "103             5.0  \n",
      "108             5.0  \n",
      "109             4.0  \n",
      "112             1.0  \n",
      "118             2.0  \n",
      "120             1.0  \n",
      "122             4.0  \n",
      "128             4.0  \n",
      "129             1.0  \n",
      "132             5.0  \n",
      "134             1.0  \n",
      "139             1.0  \n",
      "140             1.0  \n",
      "141             3.0  \n",
      "143             4.0  \n",
      "146             2.0  \n",
      "147             4.0  \n",
      "148             2.0  \n",
      "156             4.0  \n",
      "157             5.0  \n",
      "158             4.0  \n",
      "159             2.0  \n",
      "162             1.0  \n",
      "165             2.0  \n",
      "167             3.0  \n",
      "173             3.0  \n",
      "175             4.0  \n",
      "179             5.0  \n",
      "180             3.0  \n",
      "184             3.0  \n",
      "185             2.0  \n",
      "187             4.0  \n",
      "189             2.0  \n",
      "190             1.0  \n",
      "191             2.0  \n",
      "199             1.0  \n",
      "203             5.0  \n",
      "204             4.0  \n",
      "207             1.0  \n",
      "209             1.0  \n",
      "211             5.0  \n",
      "213             5.0  \n",
      "214             2.0  \n",
      "216             1.0  \n",
      "218             4.0  \n",
      "219             5.0  \n",
      "221             4.0  \n",
      "223             5.0  \n",
      "228             5.0  \n",
      "232             5.0  \n",
      "233             3.0  \n",
      "235             2.0  \n",
      "238             3.0  \n",
      "240             3.0  \n",
      "242             3.0  \n",
      "243             2.0  \n",
      "246             2.0  \n",
      "248             3.0  \n",
      "249             2.0  \n",
      "253             1.0  \n",
      "256             1.0  \n",
      "257             3.0  \n",
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      "290             3.0  \n",
      "291             4.0  \n",
      "296             5.0  \n",
      "301             2.0  \n",
      "304             5.0  \n",
      "308             5.0  \n",
      "309             2.0  \n",
      "314             1.0  \n",
      "317             2.0  \n",
      "318             2.0  \n",
      "319             5.0  \n",
      "322             2.0  \n",
      "323             5.0  \n",
      "325             4.0  \n",
      "328             1.0  \n",
      "329             4.0  \n",
      "332             5.0  \n",
      "333             4.0  \n",
      "338             4.0  \n",
      "341             4.0  \n",
      "343             3.0  \n",
      "344             1.0  \n",
      "350             5.0  \n",
      "351             2.0  \n",
      "354             1.0  \n",
      "355             1.0  \n",
      "356             1.0  \n",
      "357             1.0  \n",
      "361             5.0  \n",
      "362             1.0  \n",
      "365             2.0  \n",
      "367             5.0  \n",
      "368             4.0  \n",
      "369             3.0  \n",
      "371             2.0  \n",
      "377             4.0  \n",
      "381             5.0  \n",
      "382             4.0  \n",
      "383             1.0  \n",
      "387             1.0  \n",
      "391             5.0  \n",
      "393             3.0  \n",
      "394             1.0  \n",
      "395             5.0  \n",
      "396             4.0  \n",
      "397             5.0  \n"
     ]
    }
   ],
   "source": [
    "data['Feedback Score'] = pd.to_numeric(data['Feedback Score'], errors='coerce')\n",
    "data = data[data['Feedback Score'].between(1, 5)]  # Keep scores between 1 and 5\n",
    "print(data)"
   ]
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   "execution_count": 15,
   "id": "7acb397b",
   "metadata": {
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     "iopub.status.busy": "2024-10-05T18:11:02.481416Z",
     "iopub.status.idle": "2024-10-05T18:11:03.214983Z",
     "shell.execute_reply": "2024-10-05T18:11:03.213973Z"
    },
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     "end_time": "2024-10-05T18:11:03.217582",
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     "start_time": "2024-10-05T18:11:02.464958",
     "status": "completed"
    },
    "tags": []
   },
   "outputs": [],
   "source": [
    "import plotly.express as px\n",
    "import plotly.graph_objects as go\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "id": "ff3eea18",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2024-10-05T18:11:03.248420Z",
     "iopub.status.busy": "2024-10-05T18:11:03.247731Z",
     "iopub.status.idle": "2024-10-05T18:11:05.504858Z",
     "shell.execute_reply": "2024-10-05T18:11:05.503634Z"
    },
    "papermill": {
     "duration": 2.275052,
     "end_time": "2024-10-05T18:11:05.507225",
     "exception": false,
     "start_time": "2024-10-05T18:11:03.232173",
     "status": "completed"
    },
    "tags": []
   },
   "outputs": [
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   "source": [
    "\n",
    "\n",
    "# Histogram of Age\n",
    "fig_age = px.histogram(data, x='Age', title='Distribution of Age', nbins=10)\n",
    "fig_age.show()\n",
    "\n",
    "# Salary Distribution\n",
    "fig_salary = px.histogram(data, x='Salary', title='Salary Distribution', nbins=20)\n",
    "fig_salary.show()\n",
    "\n",
    "#  Bar Chart of Gender Distribution\n",
    "gender_counts = data['Gender'].value_counts().reset_index()\n",
    "gender_counts.columns = ['Gender', 'Count']  # Rename the columns for clarity\n",
    "\n",
    "fig_gender = px.bar(gender_counts, \n",
    "                    x='Gender', \n",
    "                    y='Count', \n",
    "                    title='Gender Distribution', \n",
    "                    labels={'Gender': 'Gender', 'Count': 'Count'})\n",
    "fig_gender.show()\n",
    "\n",
    "# Box Plot of Salary by Gender\n",
    "fig_box = px.box(data, x='Gender', y='Salary', title='Box Plot of Salary by Gender')\n",
    "fig_box.show()\n",
    "\n",
    "# Scatter Plot of Age vs. Salary\n",
    "fig_scatter = px.scatter(data, x='Age', y='Salary', color='Gender', \n",
    "                         title='Scatter Plot of Age vs. Salary')\n",
    "fig_scatter.show()\n",
    "\n",
    "# Time Series of Employees Joining by Year\n",
    "data['Join Year'] = pd.to_datetime(data['Join Date']).dt.year  # Extracting the year from Join Date\n",
    "fig_time_series = px.histogram(data, x='Join Year', title='Number of Employees Joined by Year', \n",
    "                                histfunc='count', \n",
    "                                labels={'Join Year': 'Year', 'count': 'Number of Employees'})\n",
    "fig_time_series.show()\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "id": "8dad705b",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2024-10-05T18:11:05.540696Z",
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     "exception": false,
     "start_time": "2024-10-05T18:11:05.523168",
     "status": "completed"
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    "tags": []
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   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "   ID          Name   Age   Gender Salary  Join Date   Department  \\\n",
      "0   1     Chris Lee   NaN  Unknown  72000 2020-01-15  InvalidDept   \n",
      "1   2    Anna Davis  25.0  Unknown  72000        NaT           HR   \n",
      "2   3  Mary Johnson  23.0  Unknown  72000        NaT  InvalidDept   \n",
      "3   4    Anna Davis   NaN   Female  80000 2023-03-22           IT   \n",
      "4   5    Anna Davis  40.0   Female  80000 2020-01-15           IT   \n",
      "\n",
      "  Feedback Score  \n",
      "0            NaN  \n",
      "1              5  \n",
      "2  Not Available  \n",
      "3              3  \n",
      "4              4  \n",
      "Descriptive Statistics for Numerical Columns:\n",
      "               ID         Age                      Join Date\n",
      "count  400.000000  327.000000                            303\n",
      "mean   200.500000   28.217125  2021-07-11 09:06:32.079207936\n",
      "min      1.000000   19.000000            2020-01-15 00:00:00\n",
      "25%    100.750000   23.000000            2020-01-15 00:00:00\n",
      "50%    200.500000   25.000000            2021-06-01 00:00:00\n",
      "75%    300.250000   40.000000            2023-03-22 00:00:00\n",
      "max    400.000000   40.000000            2023-03-22 00:00:00\n",
      "std    115.614301    7.648646                            NaN\n",
      "\n",
      "Descriptive Statistics for Categorical Columns:\n",
      "            Name Gender Salary Department Feedback Score\n",
      "count        400    322    331        400            341\n",
      "unique         6      5      5          5              6\n",
      "top     John Doe      M  55000         IT              5\n",
      "freq          77     69     73         91             68\n",
      "\n",
      "Count of Unique Values in Each Column:\n",
      "ID                400\n",
      "Name                6\n",
      "Age                 5\n",
      "Gender              5\n",
      "Salary              5\n",
      "Join Date           3\n",
      "Department          5\n",
      "Feedback Score      6\n",
      "dtype: int64\n",
      "\n",
      "Missing Values in Each Column:\n",
      "ID                 0\n",
      "Name               0\n",
      "Age               73\n",
      "Gender            78\n",
      "Salary            69\n",
      "Join Date         97\n",
      "Department         0\n",
      "Feedback Score    59\n",
      "dtype: int64\n",
      "\n",
      "Value Counts for Gender:\n",
      "Gender\n",
      "M          69\n",
      "Female     66\n",
      "Unknown    65\n",
      "Male       64\n",
      "F          58\n",
      "Name: count, dtype: int64\n",
      "\n",
      "Correlation Matrix:\n",
      "           ID       Age\n",
      "ID   1.000000  0.049219\n",
      "Age  0.049219  1.000000\n"
     ]
    },
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   "source": [
    "\n",
    "file_path = '/kaggle/input/data-cleaning-practice/data_cleaning_practice.xlsx'\n",
    "data = pd.read_excel(file_path)\n",
    "\n",
    "# Display the first few rows of the dataset\n",
    "print(data.head())\n",
    "\n",
    "# Generate descriptive statistics for numerical columns\n",
    "numerical_stats = data.describe()\n",
    "print(\"Descriptive Statistics for Numerical Columns:\")\n",
    "print(numerical_stats)\n",
    "\n",
    "# Generate descriptive statistics for categorical columns\n",
    "categorical_stats = data.describe(include='object')\n",
    "print(\"\\nDescriptive Statistics for Categorical Columns:\")\n",
    "print(categorical_stats)\n",
    "\n",
    "# Additional Statistics\n",
    "# Count of unique values in each column\n",
    "unique_counts = data.nunique()\n",
    "print(\"\\nCount of Unique Values in Each Column:\")\n",
    "print(unique_counts)\n",
    "\n",
    "# Check for missing values\n",
    "missing_values = data.isnull().sum()\n",
    "print(\"\\nMissing Values in Each Column:\")\n",
    "print(missing_values)\n",
    "\n",
    "# Value counts for the 'Gender' column\n",
    "gender_counts = data['Gender'].value_counts()\n",
    "print(\"\\nValue Counts for Gender:\")\n",
    "print(gender_counts)\n",
    "\n",
    "# Correlation matrix for numerical columns only\n",
    "correlation_matrix = data.select_dtypes(include='number').corr()\n",
    "print(\"\\nCorrelation Matrix:\")\n",
    "print(correlation_matrix)\n",
    "\n",
    "\n",
    "fig_box = px.box(data, x='Gender', y='Salary', title='Box Plot of Salary by Gender')\n",
    "fig_box.show()\n"
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   "source": [
    " \n",
    "# Correlation Matrix"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "id": "a0c16138",
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     "status": "completed"
    },
    "tags": []
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "Correlation Matrix:\n",
      "           ID       Age\n",
      "ID   1.000000  0.049219\n",
      "Age  0.049219  1.000000\n"
     ]
    }
   ],
   "source": [
    "correlation_matrix = data.select_dtypes(include='number').corr()\n",
    "print(\"\\nCorrelation Matrix:\")\n",
    "print(correlation_matrix)"
   ]
  }
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