foreach, doParallel, copula, plyr, parallel
data.table, foreach, doParallel, copula, plyr, parallel,
viridis
data.table, foreach, doParallel, copula, parallel, viridis,
ggExtra, dplyr
ggplot2, data.table, copula, viridis, ggExtra, dplyr, cowplot,
Rcpp (>= 1.0.6)
rmarkdown, reshape2, knitr, testthat (>= 3.0.0)