stats, methods, ggplot2 (>= 3.4.0), viridis, ggtext, glue,
rlang, foreach, progress, ramify, reshape2
knitr, rmarkdown, testthat (>= 3.0.0), doSNOW
knitr, rmarkdown, testthat (>= 3.0.0), doSNOW, gsignal