dichromat, colorspace, graphics, grDevices, mapproj, methods,
rgl, stats
dichromat, colorspace, graphics, grDevices, mapproj, maps,
methods, stats
colorspace, dichromat, graphics, grDevices, mapproj, maps,
methods, stats
classInt, ggplot2, knitr, latticeExtra, reshape2, testthat
classInt, ggplot2, knitr, latticeExtra, reshape2, rgl,
testthat
classInt, ggplot2, knitr, latticeExtra, reshape2, rgl,
rmarkdown, testthat