c(person(given = "Hadley",
             family = "Wickham",
             role = "aut",
             email = "hadley@rstudio.com"),
      person(given = "Jim",
             family = "Hester",
             role = "aut"),
      person(given = "Winston",
             family = "Chang",
             role = c("aut", "cre"),
             email = "winston@rstudio.com"),
      person(given = "Kirill",
             family = "Müller",
             role = "aut",
             email = "krlmlr+r@mailbox.org"),
      person(given = "Daniel",
             family = "Cook",
             role = "aut",
             email = "danielecook@gmail.com"),
      person(given = "Mark",
             family = "Edmondson",
             role = "ctb",
             email = "r@sunholo.com"))

Cache the results of a function so that when you
    call it again with the same arguments it returns the previously computed
    value.

digest, aws.s3, covr, googleAuthR, googleCloudStorageR, httr,
testthat

Hadley Wickham [aut],
  Jim Hester [aut],
  Winston Chang [aut, cre],
  Kirill Müller [aut],
  Daniel Cook [aut],
  Mark Edmondson [ctb]

Package providing a fast match() replacement for cases
	that require repeated look-ups. It is slightly faster that R's
	built-in match() function on first match against a table, but
	extremely fast on any subsequent lookup as it keeps the hash
	table in memory.

Functions for the Book "An Introduction to the Bootstrap"

S original, from StatLib, by Rob Tibshirani.  R port by
        Friedrich Leisch.

Software (bootstrap, cross-validation, jackknife) and data
        for the book "An Introduction to the Bootstrap" by B. Efron and
        R. Tibshirani, 1993, Chapman and Hall. This package is
        primarily provided for projects already based on it, and for
        support of the book. New projects should preferentially use the
        recommended package "boot".

Classes and Methods for Fast Memory-Efficient Boolean Selections

Jens Oehlschlägel [aut, cre], Brian Ripley [ctb]

testthat (>= 0.11.0), roxygen2, knitr, rmarkdown,
microbenchmark, bit64 (>= 4.0.0), ff (>= 4.0.0)