>From 3702fa7f53f63b6a67ea744ee78c49fa65725136 Mon Sep 17 00:00:00 2001
From: Lars-Dominik Braun <address@hidden>
Date: Tue, 4 Feb 2020 14:08:09 +0100
Subject: [v2 19/34] gnu: Add package r-regsem

* gnu/packages/cran.scm (r-regsem): New variable.
---
 gnu/packages/cran.scm | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index 1e643d0baa..5c0b323d21 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -19763,3 +19763,33 @@ least squares.")
     (description
      "This package provides useful tools for structural equation modeling.")
     (license license:gpl2+)))
+
+(define-public r-regsem
+  (package
+    (name "r-regsem")
+    (version "1.3.9")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (cran-uri "regsem" version))
+       (sha256
+        (base32
+         "1klml4bp76mplipxaca7fk653cjxgdmmiciksxgiglxkzmf2bdps"))))
+    (properties `((upstream-name . "regsem")))
+    (build-system r-build-system)
+    (propagated-inputs
+     `(("r-lavaan" ,r-lavaan)
+       ("r-rcpp" ,r-rcpp)
+       ("r-rcpparmadillo" ,r-rcpparmadillo)
+       ("r-rsolnp" ,r-rsolnp)))
+    (home-page
+     "https://cran.r-project.org/package=regsem")
+    (synopsis
+     "Regularized structural equation modeling")
+    (description
+     "Uses both ridge and lasso penalties (and extensions) to penalize
+specific parameters in structural equation models.  The package offers
+additional cost functions, cross validation, and other extensions beyond
+traditional structural equation models.  Also contains a function to perform
+@dfn{exploratory mediation} (XMed).")
+    (license license:gpl2+)))
-- 
2.20.1