graphics, grDevices, stats, utils, R (>= 2.10)
R (>= 2.10), airports, cherryblossom, usdata
ggplot2 (>= 2.2.1), graphics, rmarkdown, tibble
ggplot2 (>= 2.2.1), graphics, readr, rmarkdown, tibble
broom, dplyr, forcats, lubridate, tidyr, knitr
broom, dplyr, forcats, knitr, lubridate, scales, tidyr,
tidytext
broom, dplyr, forcats, knitr, lubridate, scales, testthat (>=
3.0.0), tidyr, tidytext
broom, dplyr, forcats, knitr, lubridate, scales, testthat (>=
3.0.0), tidyr, tidytext, stringr, maps