sci-CRAN/tidyr
sci-CRAN/rlang
sci-CRAN/magrittr
sci-CRAN/dplyr

r_suggests_covr?
      ( sci-CRAN/covr )

r_suggests_ggplot2?
      ( sci-CRAN/ggplot2 )

r_suggests_knitr?
      ( sci-CRAN/knitr )

r_suggests_markdown?
      ( sci-CRAN/markdown )

r_suggests_plyr?
      ( sci-CRAN/plyr )

r_suggests_rmarkdown?
      ( sci-CRAN/rmarkdown )

r_suggests_testthat?
      ( >=sci-CRAN/testthat-2.1.0 )

dev-lang/R:=