entropy, gplots, lazyeval, proxy, grid, ggthemes, ggplot2,
magrittr, dplyr, ggnewscale, readr, data.table, reshape2,
grDevices, stats, imputeTS, dtwclust, purrr, tidyr, TSdist,
graphics
knitr, rmarkdown, testthat (>= 3.0.0), devtools, ggpubr,
optparse, pryr