plyr, utils, stats, survival, gridExtra, assertthat, ggplot2,
grid
utils, stats, gtools, survival, gridExtra, assertthat,
ProjectTemplate, devtools, ggthemes, ggplot2, scales, plyr,
grid
utils, stats, assertthat, ggplot2, ggthemes, scales, gtools,
dplyr, grid, gridExtra,
knitr, roxygen2, testthat, tibble, stringr