httr (>= 0.3.0), pbapply, xml2, dplyr, utils
httr (>= 0.3.0), xml2, dplyr, utils, purrr, readr, jsonlite,
V8
httr, tools, dplyr, jsonlite, stats, utils, sf, xml2, purrr,
readr, MMWRweek, units (>= 0.4-6)
httr, tools, dplyr, jsonlite, tibble, stats, utils, sf, xml2,
purrr, readr, MMWRweek, units (>= 0.4-6)
httr, progress, tools, dplyr, jsonlite, tibble, stats, utils,
sf, xml2, purrr, readr, MMWRweek, units (>= 0.4-6)