18/19: gnu: Add r-parcor.

[guix-commits]

rekado pushed a commit to branch master
in repository guix.

commit 39274ab4d956f6037bcd6ca814333bda5dddb650
Author: Ricardo Wurmus <address@hidden>
Date:   Wed Jan 9 17:11:08 2019 +0100

    gnu: Add r-parcor.
    
    * gnu/packages/cran.scm (r-parcor): New variable.
---
 gnu/packages/cran.scm | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index 40cb0b1..9947ff3 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -10334,3 +10334,30 @@ regression coefficients can be conducted via 
jackknifing.")
 undirected graph estimation.  It integrates data preprocessing, neighborhood
 screening, graph estimation, and model selection techniques into a pipeline.")
     (license license:gpl2)))
+
+(define-public r-parcor
+  (package
+    (name "r-parcor")
+    (version "0.2-6")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (cran-uri "parcor" version))
+       (sha256
+        (base32
+         "0vgs6k92vdr0cmb8cwbv2ff6qavw30agskfd8bfh17hsskrisvx0"))))
+    (build-system r-build-system)
+    (propagated-inputs
+     `(("r-epi" ,r-epi)
+       ("r-genenet" ,r-genenet)
+       ("r-glmnet" ,r-glmnet)
+       ("r-mass" ,r-mass)
+       ("r-ppls" ,r-ppls)))
+    (home-page "https://cran.r-project.org/web/packages/parcor";)
+    (synopsis "Regularized estimation of partial correlation matrices")
+    (description
+     "This package estimates the matrix of partial correlations based on
+different regularized regression methods: lasso, adaptive lasso, PLS, and
+Ridge Regression.  In addition, the package provides model selection for
+lasso, adaptive lasso and Ridge regression based on cross-validation.")
+    (license license:gpl2+)))