From 18c51cf3d3dff9d6657049356c96e56eacdc8275 Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <rekado@elephly.net>
Date: Wed, 27 Mar 2019 14:43:08 +0100
Subject: gnu: Add r-xyz.

* gnu/packages/cran.scm (r-xyz): New variable.
---
 gnu/packages/cran.scm | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'gnu/packages/cran.scm')

diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index 557c166d37..31f3d3f721 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -12943,3 +12943,28 @@ use, including tools to manage a temporary environment attached to the search
 path for temporary variables you do not want to @code{save()} or
 @code{load()}; test the current platform; showing progress bars, etc.")
     (license license:gpl2)))
+
+(define-public r-xyz
+  (package
+    (name "r-xyz")
+    (version "0.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (cran-uri "xyz" version))
+       (sha256
+        (base32
+         "13w4sb4pvgciwr8wsz785dafj2k2kpx7znz46r5d32wx88vkycp4"))))
+    (build-system r-build-system)
+    (propagated-inputs
+     `(("r-rcpp" ,r-rcpp)))
+    (home-page "https://cran.r-project.org/web/packages/xyz/")
+    (synopsis "Algorithm for fast interaction search in high-dimensional data")
+    (description
+     "High dimensional interaction search by brute force requires a quadratic
+computational cost in the number of variables.  The xyz algorithm provably
+finds strong interactions in almost linear time.  For details of the algorithm
+see: G. Thanei, N. Meinshausen and R. Shah (2016).  The xyz algorithm for fast
+interaction search in high-dimensional data.")
+    ;; Any version of the GPL.
+    (license license:gpl2+)))
-- 
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