methods, utils, grid, RColorBrewer, latticeExtra, ggplot2,
plyr
methods, utils, grid, RColorBrewer, latticeExtra, baseline,
ggplot2, rlang, dplyr, Rcpp (>= 0.12.19)
lattice, loa (>= 0.3.1), methods, utils, grid, baseline,
ggplot2, rlang, tibble, dplyr