httr, jsonlite, plyr, dplyr, xml2, urltools
httr, jsonlite, plyr, dplyr, urltools, xml2
httr, jsonlite, plyr, dplyr, progress, urltools, xml2
httr, jsonlite, plyr, dplyr, progress, urltools, purrr, xml2
httr, jsonlite, plyr, dplyr, progress, urltools, purrr, xml2,
tibble, tidyr, rlang
testthat, knitr, rmarkdown, ggplot2, purrr, readr
testthat, knitr, rmarkdown, ggplot2, readr