02/28: gnu: Add r-ztree.

[guix-commits]

rekado pushed a commit to branch master
in repository guix.

commit f4cb9563a3ff0fb3341f3c4fa424c46ef464c3d1
Author: Ricardo Wurmus <rekado@elephly.net>
AuthorDate: Thu Aug 26 10:54:10 2021 +0200

    gnu: Add r-ztree.
    
    * gnu/packages/cran.scm (r-ztree): 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 5a9889f..a3b98ea 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -30374,3 +30374,26 @@ file conversion API.  The wrappers makes it easy to 
utilize the API and thus
 convert between more than 100 different file formats (ranging from audio
 files, images, movie formats, etc., etc.) through an R session.")
     (license license:gpl3)))
+
+(define-public r-ztree
+  (package
+    (name "r-ztree")
+    (version "1.0.6")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (cran-uri "zTree" version))
+       (sha256
+        (base32
+         "1mywxrx6bw7dzhrdwyxbjzc8ikgvw423zycyji0jjr69cfhpmywv"))))
+    (properties `((upstream-name . "zTree")))
+    (build-system r-build-system)
+    (propagated-inputs
+     `(("r-plyr" ,r-plyr)))
+    (home-page "https://cran.r-project.org/package=zTree";)
+    (synopsis "Functions to import data from z-Tree into R")
+    (description
+     "This package provides tools for reading @code{.xls} and @code{.sbj}
+files which are written by the proprietary program z-Tree for developing and
+carrying out economic experiments.")
+    (license license:gpl3)))