stringr, Hmisc, rvest, magrittr, xml2, plyr
stringr, Hmisc (>= 3.17-1), rvest, magrittr, xml2, plyr
stringr, foreign, rvest, magrittr, xml2, plyr
stringr, foreign, rvest, xml2, dplyr, plyr
knitr, odbc, DBI, rmarkdown, survey, ggplot2
knitr, DBI, odbc, RMariaDB, RPostgres, rmarkdown, survey,
ggplot2