A Butterfly chart (also called as Tornado chart) is a type of bar chart where two sets of data series are displayed side by side. It gives a quick glance of the difference between two groups with same parameters. It is also possible to stack/place two bars on each side (for example, ‘male’ and ‘female’) to give a further division of adult literacy rate by country name. The main use of the butterfly chart is comparison of two data sets sharing the same parameters.
Table name: “Literacy-Sub-Saharan-Africa”.
Data source: https://www.kaggle.com/pavansanagapati/african-literacy-rate
| Country Name | Female (%) | Male (%) |
|---|---|---|
| Cameroon | 64.80 | 78.33 |
| Central African Republic | 24.36 | 50.71 |
| Ghana | 65.29 | 78.35 |
| Guinea | 12.19 | 36.79 |
| Malawi | 51.25 | 72.10 |
| Mali | 20.29 | 43.40 |
| Rwanda | 61.55 | 71.13 |
| Seychelles | 94.45 | 93.46 |
| South Africa | 91.71 | 94.14 |
| Swaziland | 82.45 | 83.90 |
| Tanzania | 60.75 | 75.47 |
| Uganda | 64.59 | 82.63 |
- Based on the final butterfly chart, we can see that the
Female (%)had a low adult literacy rate thanMale (%). And from horizontal comparison we can see thatSeychellesandSouth Africahad a high adult literacy rate of both female and male with an average of93.96%and92.93%.
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