>=dev-lang/R-3.1
sci-CRAN/tidyr
sci-CRAN/dplyr
sci-CRAN/magrittr

r_suggests_ggplot2?
      ( sci-CRAN/ggplot2 )

r_suggests_knitr?
      ( sci-CRAN/knitr )

r_suggests_plyr?
      ( sci-CRAN/plyr )

r_suggests_rmarkdown?
      ( sci-CRAN/rmarkdown )

r_suggests_rvest?
      ( sci-CRAN/rvest )

r_suggests_stringr?
      ( sci-CRAN/stringr )

r_suggests_xml2?
      ( sci-CRAN/xml2 )

dev-lang/R:=