MASS, zoo, lattice, Rcpp, stats, utils, grDevices, graphics,
corrplot
Rcpp, stats, utils, grDevices, graphics, corrplot, dplyr,
ggplot2, tidyr, magrittr
Rcpp (>= 1.0.7), stats, utils, grDevices, graphics, corrplot,
dplyr, ggplot2, tidyr, magrittr