magrittr, dplyr, purrr, stats, tibble, broom, tidyr, multcomp,
haven, tidyverse, ggplot2, devtools, MASS
magrittr, dplyr, purrr, stats, tibble, broom, tidyr, multcomp
spelling, knitr, rmarkdown, testthat, ggplot2, haven, MASS
spelling, knitr, rmarkdown, testthat, ggplot2, MASS, carData
magrittr, spelling, dplyr, knitr, rmarkdown, testthat,
ggplot2, MASS, carData, tidyr (>= 1.0.0), covr