Provides a 'tbl_df' class that offers better checking and
    printing capabilities than traditional data frames.
c(
    person("Hadley", "Wickham", , "hadley@rstudio.com", "aut"),
    person("Romain", "Francois", , "romain@r-enthusiasts.com", "aut"),
    person("Kirill", "Müller", , "krlmlr+r@mailbox.org", c("aut", "cre")),
    person("RStudio", role = "cph")
    )
methods, assertthat, utils, lazyeval (>= 0.1.10), Rcpp
testthat, withr, knitr (>= 1.5.32), rmarkdown, nycflights13,
microbenchmark
Hadley Wickham [aut],
  Romain Francois [aut],
  Kirill Müller [aut, cre],
  RStudio [cph]