dplyr, tidyr, purrr, scales, forcats, ggplot2, testthat (>=
3.0.0), knitr, bookdown, spelling, incidence2, data.table,
distributional, distcrete
bookdown, data.table, distcrete, distributional, dplyr,
forcats, ggplot2, incidence2, knitr, purrr, rmarkdown, scales,
spelling, testthat (>= 3.0.0), tidyr