* gnu/packages/statistics.scm (r-spams): New variable. --- gnu/packages/statistics.scm | 52 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+)
diff --git a/gnu/packages/statistics.scm b/gnu/packages/statistics.scm index 0ba3316..dcf6dbe 100644 --- a/gnu/packages/statistics.scm +++ b/gnu/packages/statistics.scm @@ -3342,6 +3342,58 @@ character vector.") from within R.") (license license:expat))) +(define-public r-spams + (package + (name "r-spams") + (version "2.5-svn2014-07-04") + (source + (origin + (method url-fetch) + (uri (string-append "https://gforge.inria.fr/frs/download.php/33815/" + "spams-R-v" version ".tar.gz")) + (sha256 + (base32 + "1k459jg9a334slkw31w63l4d39xszjzsng7dv5j1mp78zifz7hvx")))) + (build-system r-build-system) + (arguments + `(#:phases + (modify-phases %standard-phases + (add-after 'unpack 'chdir + (lambda _ (chdir "spams") #t)) + ;; Since R 3.3.0 including R headers inside of an extern "C" block + ;; causes C headers to be included, which results in a lot of + ;; duplicate definitions. This can be avoided by defining + ;; NO_C_HEADERS before including the R headers. + (add-after 'chdir 'patch-use-of-R-headers + (lambda _ + (substitute* "src/spams.cpp" + (("#include <R.h>" line) + (string-append "#define NO_C_HEADERS\n" line))) + #t)) + ;; This looks like a syntax error. + (add-after 'chdir 'patch-isnan + (lambda _ + (substitute* '"src/spams/linalg/linalg.h" + (("if isnan\\(lambda\\) \\{") + "if (isnan(lambda)) {")) + #t))))) + (home-page "http://spams-devel.gforge.inria.fr") + (synopsis "Toolbox for solving sparse estimation problems") + (description "SPAMS (SPArse Modeling Software) is an optimization toolbox +for solving various sparse estimation problems. It includes tools for the +following problems: + +@enumerate +@item Dictionary learning and matrix factorization (NMF, sparse @dfn{principle + component analysis} (PCA), ...) +@item Solving sparse decomposition problems with LARS, coordinate descent, + OMP, SOMP, proximal methods +@item Solving structured sparse decomposition problems (l1/l2, l1/linf, sparse + group lasso, tree-structured regularization, structured sparsity with + overlapping groups,...). +@end enumerate\n") + (license license:gpl3+))) + (define-public r-rpart (package (name "r-rpart") -- 2.10.2