Cairo (>= 1.5.9), grid, Rcpp, scales (>= 1.0.0), colorspace
Cairo (>= 1.5.9), grid, Rcpp, scales (>= 1.0.0), colorspace,
png
grid, Rcpp, scales (>= 1.0.0), colorspace, png
grid, gridtext, Rcpp, scales (>= 1.0.0), colorspace, png
testthat (>= 2.0.0), knitr, rmarkdown, ggrepel
testthat (>= 2.0.0), knitr, rmarkdown, ggrepel, wordcloud,
wordcloud2
testthat (>= 2.0.0), knitr, rmarkdown, ggrepel, wordcloud,
wordcloud2, covr, dplyr, tidyr