From 9b319907000ad6b1796d1887cabcf010aa806d3e Mon Sep 17 00:00:00 2001 From: Ricardo Wurmus Date: Thu, 26 Nov 2015 16:59:08 +0100 Subject: [PATCH 1/5] gnu: Add r-data-table. * gnu/packages/statistics.scm (r-data-table): New variable. --- gnu/packages/statistics.scm | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/gnu/packages/statistics.scm b/gnu/packages/statistics.scm index 2af9de2..876a2b3 100644 --- a/gnu/packages/statistics.scm +++ b/gnu/packages/statistics.scm @@ -1264,3 +1264,25 @@ informative error messages when it's not available.") (description "The devtools package is a collection of package development tools to simplify the devolpment of R packages.") (license license:gpl2+))) + +(define-public r-data-table + (package + (name "r-data-table") + (version "1.9.6") + (source (origin + (method url-fetch) + (uri (cran-uri "data.table" version)) + (sha256 + (base32 + "0vi3zplpxqbg78z9ifjfs1kl2i8qhkqxr7l9ysp2663kq54w6x3g")))) + (build-system r-build-system) + (propagated-inputs + `(("r-chron" ,r-chron))) + (home-page "https://github.com/Rdatatable/data.table/wiki") + (synopsis "Extension of data.frame") + (description + "@code{data.table} is an extension of @code{data.frame} providing fast +aggregation of large data (e.g. 100GB in RAM), fast ordered joins, fast +add/modify/delete of columns by group using no copies at all, list columns and +a fast file reader (@code{fread}).") + (license license:gpl3+))) -- 2.1.0