>=dev-lang/R-3.2.3
sci-CRAN/testthat
sci-CRAN/pingr
sci-CRAN/assertthat
sci-CRAN/lubridate
sci-CRAN/plyr
sci-CRAN/rlang
sci-CRAN/concatenate
sci-CRAN/purrr
>sci-CRAN/tidyr-0.8.99
sci-CRAN/urltools
sci-CRAN/stringr
sci-CRAN/jsonlite
sci-CRAN/glue
sci-CRAN/magrittr
sci-CRAN/httr
sci-CRAN/dplyr
sci-CRAN/tibble
sci-CRAN/progress
sci-CRAN/writexl

r_suggests_bookdown?
      ( sci-CRAN/bookdown )

r_suggests_covr?
      ( sci-CRAN/covr )

r_suggests_httptest?
      ( sci-CRAN/httptest )

r_suggests_knitr?
      ( sci-CRAN/knitr )

r_suggests_rmarkdown?
      ( sci-CRAN/rmarkdown )

r_suggests_spelling?
      ( sci-CRAN/spelling )

dev-lang/R:=