dplyr, ggplot2, methods, plyr, qpdf, tidyr, xtable
testthat (>= 2.1.0), knitr, rmarkdown, tableHTML, data.table
testthat (>= 2.1.0), knitr, rmarkdown, tableHTML, data.table,
spelling
testthat (>= 2.1.0), knitr, rmarkdown, tableHTML, data.table,
spelling, tidyverse