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gnu: Add r-magrittr.

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* gnu/packages/statistics.scm (r-magrittr): New variable.
This commit is contained in:
Ricardo Wurmus 2015-08-31 15:25:57 +02:00
parent b7eee9fc65
commit d69c4b04fa
1 changed files with 22 additions and 0 deletions
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22
gnu/packages/statistics.scm
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@ -223,3 +223,25 @@ (define-public r-labeling
(description "The labeling package provides a range of axis labeling
algorithms.")
(license license:expat)))
(define-public r-magrittr
(package
(name "r-magrittr")
(version "1.5")
(source
(origin
(method url-fetch)
(uri (string-append "mirror://cran/src/contrib/magrittr_"
version ".tar.gz"))
(sha256
(base32 "1s1ar6rag8m277qcqmdp02gn4awn9bdj9ax0r8s32i59mm1mki05"))))
(build-system r-build-system)
(home-page "http://cran.r-project.org/web/packages/magrittr/index.html")
(synopsis "A forward-pipe operator for R")
(description
"Magrittr provides a mechanism for chaining commands with a new
forward-pipe operator, %>%. This operator will forward a value, or the result
of an expression, into the next function call/expression. There is flexible
support for the type of right-hand side expressions. For more information,
see package vignette. To quote Rene Magritte, \"Ceci n'est pas un pipe.\"")
(license license:expat)))