doParallel, foreach, testthat, diagram, knitr
doParallel, foreach, testthat (>= 1.0.2), diagram, knitr
doParallel, foreach, testthat (>= 1.0.2), diagram, knitr,
rmarkdown, pander, tidyverse
doParallel, foreach, testthat (>= 1.0.2), diagram, knitr,
rmarkdown, pander, dplyr, tidyr (>= 1.0), purrr