16/19: gnu: Add r-ppls.

[guix-commits]

rekado pushed a commit to branch master
in repository guix.

commit 879a15203b349d464a47b708a2ab37f09c3e36a3
Author: Ricardo Wurmus <address@hidden>
Date:   Wed Jan 9 17:09:41 2019 +0100

    gnu: Add r-ppls.
    
    * gnu/packages/cran.scm (r-ppls): New variable.
---
 gnu/packages/cran.scm | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index 8c0142d..68e660a 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -10287,3 +10287,25 @@ Age-Period-Cohort and Lee-Carter modeling and a 
function for interval censored
 data and some useful functions for tabulation and plotting, as well as a
 number of epidemiological data sets.")
     (license license:gpl2)))
+
+(define-public r-ppls
+  (package
+    (name "r-ppls")
+    (version "1.6-1.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (cran-uri "ppls" version))
+       (sha256
+        (base32
+         "1zyrisy3c4cz896j1bjh61sf57wdl9p8ywdq268cl819szfq78mx"))))
+    (build-system r-build-system)
+    (propagated-inputs `(("r-mass" ,r-mass)))
+    (home-page "https://cran.r-project.org/web/packages/ppls";)
+    (synopsis "Penalized partial least squares")
+    (description
+     "This package contains linear and nonlinear regression methods based on
+partial least squares and penalization techniques.  Model parameters are
+selected via cross-validation, and confidence intervals ans tests for the
+regression coefficients can be conducted via jackknifing.")
+    (license license:gpl2+)))