gnu: r-boruta: Move to (gnu packages cran).

* gnu/packages/statistics.scm (r-boruta): Move this variable from here...
* gnu/packages/cran.scm (r-boruta): ...to here.

gnu/packages/cran.scm

@@ -22143,3 +22143,26 @@ multi-state models.")
      "This package creates scatterpie plots, especially useful for plotting
 pies on a map.")
     (license license:artistic2.0)))
+
+(define-public r-boruta
+  (package
+    (name "r-boruta")
+    (version "7.0.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (cran-uri "Boruta" version))
+       (sha256
+        (base32
+         "0y2w4wb45kfnzrxcrdsiwgal9fsnlr3wad1sqdc70qv8gp921xbg"))))
+    (properties `((upstream-name . "Boruta")))
+    (build-system r-build-system)
+    (propagated-inputs `(("r-ranger" ,r-ranger)))
+    (home-page "https://gitlab.com/mbq/Boruta/")
+    (synopsis "Wrapper algorithm for all relevant feature selection")
+    (description
+     "This package provides an all relevant feature selection wrapper
+algorithm.  It finds relevant features by comparing original attributes'
+importance with importance achievable at random, estimated using their
+permuted copies (shadows).")
+    (license license:gpl2+)))

gnu/packages/statistics.scm

@@ -5903,26 +5903,3 @@ Java package that provides routines for various statistical distributions.")
 Emacs.  It is designed to support editing of scripts and interaction with
 various statistical analysis programs such as R, Julia, and JAGS.")
     (license license:gpl2+)))
-
-(define-public r-boruta
-  (package
-    (name "r-boruta")
-    (version "7.0.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (cran-uri "Boruta" version))
-       (sha256
-        (base32
-         "0y2w4wb45kfnzrxcrdsiwgal9fsnlr3wad1sqdc70qv8gp921xbg"))))
-    (properties `((upstream-name . "Boruta")))
-    (build-system r-build-system)
-    (propagated-inputs `(("r-ranger" ,r-ranger)))
-    (home-page "https://gitlab.com/mbq/Boruta/")
-    (synopsis "Wrapper algorithm for all relevant feature selection")
-    (description
-     "This package provides an all relevant feature selection wrapper
-algorithm.  It finds relevant features by comparing original attributes'
-importance with importance achievable at random, estimated using their
-permuted copies (shadows).")
-    (license license:gpl2+)))