>=dev-lang/R-3.5.0
sci-CRAN/Rcpp
sci-CRAN/pracma
sci-CRAN/Rcpp

r_suggests_covr?
      ( sci-CRAN/covr )

r_suggests_ggplot2?
      ( sci-CRAN/ggplot2 )

r_suggests_gridextra?
      ( sci-CRAN/gridExtra )

r_suggests_imager?
      ( sci-CRAN/imager )

r_suggests_knitr?
      ( sci-CRAN/knitr )

r_suggests_rmarkdown?
      ( sci-CRAN/rmarkdown )

r_suggests_testthat?
      ( sci-CRAN/testthat )

dev-lang/R:=