digest, glue, grDevices, grid, gtable (>= 0.1.1), isoband,
MASS, mgcv, rlang (>= 0.3.0), scales (>= 0.5.0), stats, tibble,
withr (>= 2.0.0)

covr, dplyr, ggplot2movies, hexbin, Hmisc, knitr, lattice,
mapproj, maps, maptools, multcomp, munsell, nlme, profvis,
quantreg, rgeos, rmarkdown, rpart, sf (>= 0.7-3), svglite (>=
1.2.0.9001), testthat (>= 2.1.0), vdiffr (>= 0.3.0)

Hadley Wickham [aut, cre],
  Winston Chang [aut],
  Lionel Henry [aut],
  Thomas Lin Pedersen [aut],
  Kohske Takahashi [aut],
  Claus Wilke [aut],
  Kara Woo [aut],
  Hiroaki Yutani [aut],
  Dewey Dunnington [aut],
  RStudio [cph]

c(
    person("Hadley", "Wickham", , "hadley@rstudio.com", c("aut", "cre"), comment = c(ORCID = "0000-0003-4757-117X")),
    person("Romain", "Fran\u00e7ois", role = "aut", comment = c(ORCID = "0000-0002-2444-4226")),
    person("Lionel", "Henry", role = "aut"),
    person("Kirill", "M\u00fcller", role = "aut", comment = c(ORCID = "0000-0002-1416-3412")),
    person("RStudio", role = c("cph", "fnd"))
    )

A fast, consistent tool for working with data frame like objects,
    both in memory and out of memory.

ellipsis, assertthat (>= 0.2.0), glue (>= 1.3.0), magrittr (>=
1.5), methods, pkgconfig, R6, Rcpp (>= 1.0.1), rlang (>=
0.4.0), tibble (>= 2.0.0), tidyselect (>= 0.2.5), utils

bit64, callr, covr, crayon (>= 1.3.4), DBI, dbplyr, dtplyr,
ggplot2, hms, knitr, Lahman, lubridate, MASS, mgcv,
microbenchmark, nycflights13, rmarkdown, RMySQL, RPostgreSQL,
RSQLite, testthat, withr, broom, purrr, readr

Hadley Wickham [aut, cre] (<https://orcid.org/0000-0003-4757-117X>),
  Romain François [aut] (<https://orcid.org/0000-0002-2444-4226>),
  Lionel Henry [aut],
  Kirill Müller [aut] (<https://orcid.org/0000-0002-1416-3412>),
  RStudio [cph, fnd]

c(
    person("Hadley", "Wickham", , "hadley@rstudio.com", c("aut", "cre")),
    person("RStudio", role = c("cph", "fnd")),
    person("R Core team", role = "ctb",
      comment = "Implementation of utils::recover()")
    )

Software testing is important, but, in part because it is 
    frustrating and boring, many of us avoid it. 'testthat' is a testing framework 
    for R that is easy to learn and use, and integrates with your existing 'workflow'.