01/02: gnu: Add r-metrics.

[guix-commits]

rekado pushed a commit to branch master
in repository guix.

commit a74f85407403c62890be672ac4b6f4ceac15c4a0
Author: Peter Lo <peterloleungyau@gmail.com>
AuthorDate: Sun Jun 28 16:01:17 2020 +0800

    gnu: Add r-metrics.
    
    * gnu/packages/cran.scm (r-metrics): New variable.
    
    Signed-off-by: Ricardo Wurmus <rekado@elephly.net>
---
 gnu/packages/cran.scm | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index 1d49e49..f371e5f 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -22663,3 +22663,26 @@ help to explain the predictions from any black box 
model using ideas from game
 theory; see @url{Strumbel and Kononenko (2014),
 doi.org/10.1007/s10115-013-0679-x} for details.")
     (license license:gpl2+)))
+
+(define-public r-metrics
+  (package
+    (name "r-metrics")
+    (version "0.1.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (cran-uri "Metrics" version))
+       (sha256
+        (base32
+         "0fh8qbjlwzagh272lgwr4bxcqcjb1qpz53mgs8rzlvncax6nk5bk"))))
+    (properties `((upstream-name . "Metrics")))
+    (build-system r-build-system)
+    (home-page "https://github.com/mfrasco/Metrics";)
+    (synopsis "Evaluation metrics for machine learning")
+    (description
+     "This package provides an implementation of evaluation metrics in R that
+are commonly used in supervised machine learning.  It implements metrics for
+regression, time series, binary classification, classification, and
+information retrieval problems.  It has zero dependencies and a consistent,
+simple interface for all functions.")
+    (license license:bsd-3)))