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17/18: gnu: Add r-ddrtree.

From: guix-commits
Subject: 17/18: gnu: Add r-ddrtree.
Date: Mon, 7 Jan 2019 12:44:16 -0500 (EST)

rekado pushed a commit to branch master
in repository guix.

commit e3bb076678aa25b5394b4d35c38aaa3607065082
Author: Ricardo Wurmus <address@hidden>
Date:   Mon Jan 7 16:40:37 2019 +0100

    gnu: Add r-ddrtree.
    * gnu/packages/cran.scm (r-ddrtree): New variable.
 gnu/packages/cran.scm | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index b1a23b9..02fe328 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -8821,3 +8821,34 @@ package for using sparse matrices.  Some of the 
functions are very general,
 while other are highly specific for the special data format used for
 @dfn{quantitative language comparison} (QLC).")
     (license license:gpl3)))
+(define-public r-ddrtree
+  (package
+    (name "r-ddrtree")
+    (version "0.1.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (cran-uri "DDRTree" version))
+       (sha256
+        (base32
+         "16s5fjw7kwlxhrkzdny62sx32fvmg3rxjc3wrh6krd31jh1fqlfk"))))
+    (properties `((upstream-name . "DDRTree")))
+    (build-system r-build-system)
+    (propagated-inputs
+     `(("r-bh" ,r-bh)
+       ("r-irlba" ,r-irlba)
+       ("r-rcpp" ,r-rcpp)
+       ("r-rcppeigen" ,r-rcppeigen)))
+    (home-page "";)
+    (synopsis "Learning principal graphs with DDRTree")
+    (description
+     "This package provides an implementation of the framework of
address@hidden graph embedding} (RGE) which projects data into a reduced
+dimensional space while constructs a principal tree which passes through the
+middle of the data simultaneously.  DDRTree shows superiority to
+alternatives (Wishbone, DPT) for inferring the ordering as well as the
+intrinsic structure of single cell genomics data.  In general, it could be
+used to reconstruct the temporal progression as well as the bifurcation
+structure of any data type.")
+    (license license:asl2.0)))

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