methods, Rcpp (>= 0.11.1), grDevices, stats, utils
methods, Rcpp, grDevices, stats, utils, zip
grDevices, methods, Rcpp, stats, stringi, utils, zip, rlang
(>= 0.1.2)
grDevices, methods, Rcpp, stats, utils, zip, stringi
grDevices, methods, Rcpp, stats, stringi, utils, zip
curl, formula.tools, knitr, rmarkdown, testthat