[BUG] plot.ROC() and plot.prROC() are missing lines when panels = FALSE

[serkor1]

issue

When plotting ROC- or prROC-classes with plot(x, panels = FALSE), the lines appear in the legend but not on the plot itself.

reprex

rm(list = ls())
library(SLmetrics)
#> Loading {SLmetrics} v0.1.0

# 1) recode Iris
# to binary classification
# problem
#
# Has to adhere
iris$Species <- factor(
  x = as.numeric(
    iris$Species == "virginica"
  )
)

# 2) fit the logistic
# regression
model <- glm(
  formula = Species ~ Sepal.Length + Sepal.Width,
  data    = iris,
  family = binomial(
    link = "logit"
  )
)

# 3) generate predicted
# classes
response <- predict(model, type = "response")

# 4) generate reciever
# operator characteristics
roc <- ROC(
  actual   = iris$Species,
  response = response
)


# 5) plot by species
# im panels
plot(roc)

# 6) plot by species
# in one
plot(roc, panels = FALSE)

^{Created on 2024-12-04 with reprex v2.1.1}

Session info

sessioninfo::session_info()
#> ─ Session info ───────────────────────────────────────────────────────────────
#>  setting  value
#>  version  R version 4.4.2 (2024-10-31)
#>  os       Zorin OS 17.2
#>  system   x86_64, linux-gnu
#>  ui       X11
#>  language en_US:en
#>  collate  en_US.UTF-8
#>  ctype    en_US.UTF-8
#>  tz       Europe/Copenhagen
#>  date     2024-12-04
#>  pandoc   2.9.2.1 @ /usr/bin/ (via rmarkdown)
#> 
#> ─ Packages ───────────────────────────────────────────────────────────────────
#>  package     * version  date (UTC) lib source
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#>  Rcpp          1.0.13-1 2024-11-02 [1] CRAN (R 4.4.2)
#>  reprex        2.1.1    2024-07-06 [1] CRAN (R 4.4.2)
#>  rlang         1.1.4    2024-06-04 [1] CRAN (R 4.4.2)
#>  rmarkdown     2.29     2024-11-04 [1] CRAN (R 4.4.2)
#>  sessioninfo   1.2.2    2021-12-06 [1] CRAN (R 4.4.2)
#>  SLmetrics   * 0.1-0    2024-12-02 [1] local
#>  withr         3.0.2    2024-10-28 [1] CRAN (R 4.4.2)
#>  xfun          0.49     2024-10-31 [1] CRAN (R 4.4.2)
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#> 
#>  [1] /usr/local/lib/R/site-library
#>  [2] /usr/lib/R/site-library
#>  [3] /usr/lib/R/library
#> 
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