sci-CRAN/tuneR
sci-CRAN/jsonlite
sci-CRAN/httr

r_suggests_covr?
      ( sci-CRAN/covr )

r_suggests_knitr?
      ( sci-CRAN/knitr )

r_suggests_rmarkdown?
      ( sci-CRAN/rmarkdown )

r_suggests_rvest?
      ( sci-CRAN/rvest )

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

r_suggests_xml2?
      ( sci-CRAN/xml2 )

r_suggests_zoo?
      ( sci-CRAN/zoo )

dev-lang/R:=