ggplot2, rmarkdown, scales, shiny (>= 1.5.0)
ggplot2, graphics, methods, rmarkdown, scales, stats, shiny
(>= 1.5.0), utils
graphics, grDevices, methods, RColorBrewer (>= 1.1-2), stats,
utils
shinytest, testthat (>= 3.0.0), vdiffr (>= 1.0.0)