* gnu/packages/statistics.scm (r-formula): 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 9f311b5..298739e 100644
--- a/gnu/packages/statistics.scm
+++ b/gnu/packages/statistics.scm
@@ -1007,6 +1007,28 @@ some versions of Epi Info, Minitab, S, SAS, SPSS, Stata,
Systat and Weka, and
for reading and writing some dBase files.")
(license license:gpl2+)))
+(define-public r-formula
+ (package
+ (name "r-formula")
+ (version "1.2-1")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (cran-uri "Formula" version))
+ (sha256
+ (base32
+ "02in5325zzrqbhlygx6s0dinj6ymw845q70y56frqacv25ayzcax"))))
+ (properties `((upstream-name . "Formula")))
+ (build-system r-build-system)
+ (home-page "http://cran.r-project.org/web/packages/Formula";)
+ (synopsis "Extended model formulas")
+ (description
+ "This package provides a new class @code{Formula}, which extends the base
+class @code{formula}. It supports extended formulas with multiple parts of
+regressors on the right-hand side and/or multiple responses on the left-hand
+side.")
+ (license (list license:gpl2+ license:gpl3+))))
+
(define-public r-chron
(package
(name "r-chron")
--
2.1.0
