01/07: gnu: Add r-lmds.

[guix-commits]

rekado pushed a commit to branch master
in repository guix.

commit 9f02ad0cb06b16b67928f30211b0da8fc58d2f37
Author: Ricardo Wurmus <rekado@elephly.net>
AuthorDate: Tue Feb 22 18:29:02 2022 +0100

    gnu: Add r-lmds.
    
    * gnu/packages/cran.scm (r-lmds): New variable.
---
 gnu/packages/cran.scm | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index 59e3296c45..08d6ab7619 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -743,6 +743,30 @@ variables.")
 ")
     (license license:gpl2+)))
 
+(define-public r-lmds
+  (package
+    (name "r-lmds")
+    (version "0.1.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (cran-uri "lmds" version))
+       (sha256
+        (base32 "130azb0nc2wwxv0qi8v5s4rd02p9lc92zwn634pv7b8awbw81i65"))))
+    (properties `((upstream-name . "lmds")))
+    (build-system r-build-system)
+    (propagated-inputs
+     (list r-assertthat r-dynutils r-irlba r-matrix))
+    (home-page "https://github.com/dynverse/lmds";)
+    (synopsis "Landmark multi-dimensional scaling")
+    (description
+     "This package provides a fast dimensionality reduction method scaleable
+to large numbers of samples.  @dfn{Landmark Multi-Dimensional Scaling} (LMDS)
+is an extension of classical Torgerson MDS, but rather than calculating a
+complete distance matrix between all pairs of samples, only the distances
+between a set of landmarks and the samples are calculated.")
+    (license license:gpl3)))
+
 (define-public r-lmodel2
   (package
     (name "r-lmodel2")