assertthat, checkmate, covr, magrittr, dplyr, testthat,
knitr, rmarkdown
assertthat, checkmate, covr, datasets, magrittr, dplyr,
testthat, knitr, rmarkdown
assertthat, checkmate, covr, datasets, magrittr, hms, dplyr,
units, testthat, knitr, rmarkdown