04/77: gnu: Add r-squarem.

[Ricardo Wurmus]

rekado pushed a commit to branch master
in repository guix.

commit c5f033e0f6f6e1df2ddc76a8bf799be3e062e5eb
Author: Ricardo Wurmus <address@hidden>
Date:   Tue Feb 13 15:20:53 2018 +0100

    gnu: Add r-squarem.
    
    * gnu/packages/cran.scm (r-squarem): New variable.
---
 gnu/packages/cran.scm | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index 8c69805..4d4d3ed 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -989,6 +989,29 @@ testing framework of Wald are generic and can therefore 
also be used in other
 contexts.")
     (license license:gpl2+)))
 
+(define-public r-squarem
+  (package
+    (name "r-squarem")
+    (version "2017.10-1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (cran-uri "SQUAREM" version))
+       (sha256
+        (base32
+         "10xj26x7qjyvzndnbjl5krr9wabnb9cbrnp3m7xg673g8ddr12cv"))))
+    (properties `((upstream-name . "SQUAREM")))
+    (build-system r-build-system)
+    (home-page 
"http://www.jhsph.edu/agingandhealth/People/Faculty_personal_pages/Varadhan.html";)
+    (synopsis "Squared Extrapolation Methods for Accelerating EM-Like Monotone 
Algorithms")
+    (description
+     "This package provides algorithms for accelerating the convergence of
+slow, monotone sequences from smooth, contraction mapping such as the EM
+algorithm.  It can be used to accelerate any smooth, linearly convergent
+acceleration scheme.  A tutorial style introduction to this package is
+available in a vignette.")
+    (license license:gpl2+)))
+
 (define-public r-lava
   (package
     (name "r-lava")