RCurl, xlsx, rjson, rvest, stats, xml2, magrittr
RCurl, xlsx, rjson, rvest, stats, xml2, magrittr, Rcpp
RCurl, rjson, rvest, stats, xml2, magrittr, readr, tibble
RCurl, rjson, rvest, stats, xml2, magrittr, readr, tibble, zoo