dplyr, factoextra, ggplot2, gridExtra, stats
bookdown, knitr, qsimulatR, rmarkdown, testthat (>= 3.0.0)
baguette, bookdown, earth, kknn, knitr, qsimulatR, rmarkdown,
rules, testthat (>= 3.0.0), vdiffr, viralmodels, yardstick