>=sci-CRAN/viridis-0.4.0
>=sci-CRAN/purrr-0.2.2
>=sci-CRAN/dplyr-0.5.0
>=sci-CRAN/lubridate-1.5.6

r_suggests_dlnm?
      ( >=sci-CRAN/dlnm-2.3.2 )

r_suggests_ggplot2?
      ( >=sci-CRAN/ggplot2-2.2.1 )

r_suggests_gridextra?
      ( >=sci-CRAN/gridExtra-2.2.1 )

r_suggests_knitr?
      ( >=sci-CRAN/knitr-1.15.1 )

r_suggests_rmarkdown?
      ( >=sci-CRAN/rmarkdown-1.5.0 )

r_suggests_tidyr?
      ( >=sci-CRAN/tidyr-0.6.2 )

dev-lang/R:=