>=dev-lang/R-3.4.0
sci-CRAN/units
sci-CRAN/raster
sci-CRAN/sf
sci-CRAN/sp

r_suggests_covr?
      ( sci-CRAN/covr )

r_suggests_geosphere?
      ( sci-CRAN/geosphere )

r_suggests_ggplot2?
      ( sci-CRAN/ggplot2 )

r_suggests_knitr?
      ( sci-CRAN/knitr )

r_suggests_lwgeom?
      ( sci-CRAN/lwgeom )

r_suggests_rmarkdown?
      ( sci-CRAN/rmarkdown )

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

dev-lang/R:=