MASS, knitr, rmarkdown, microbenchmark, dplyr, tidyr, purrr,
ggplot2, lattice
MASS, knitr, rmarkdown, dplyr, tidyr, purrr, ggplot2,
lattice, rbenchmark
MASS, knitr, rmarkdown, dplyr, tidyr, purrr, ggplot2,
lattice, rbenchmark, testthat (>= 3.1.0), covr, spelling