ggplot2, ggrepel, grDevices, grid, withr
graphics, grDevices, plotrix, splines, stats, withr
caret, cluster, geometry, ggplot2, ggrepel, grid, knitr,
MASS, rgl, rmarkdown, testthat (>= 3.0.0)
caret, cluster, geometry, ggplot2, ggrepel, grid, knitr,
MASS, R.devices, rgl, rmarkdown, testthat (>= 3.0.0)