>=dev-lang/R-3.5.0
sci-CRAN/numDeriv
sci-CRAN/stringr
sci-CRAN/RColorBrewer

r_suggests_data_table?
      ( sci-CRAN/data_table )

r_suggests_dt?
      ( sci-CRAN/DT )

r_suggests_knitr?
      ( sci-CRAN/knitr )

r_suggests_prettydoc?
      ( sci-CRAN/prettydoc )

r_suggests_rmarkdown?
      ( sci-CRAN/rmarkdown )

r_suggests_stringi?
      ( sci-CRAN/stringi )

r_suggests_tcpl?
      ( sci-CRAN/tcpl )

dev-lang/R:=