gnu: Add r-snapcgh.

* gnu/packages/bioconductor.scm (r-snapcgh): New variable.

gnu/packages/bioconductor.scm

@@ -18215,6 +18215,34 @@ integrates with pathway and gene set (enrichment) analysis tools for
 large-scale and fully automated analysis.")
     (license license:gpl3+)))
 
+(define-public r-snapcgh
+  (package
+    (name "r-snapcgh")
+    (version "1.68.0")
+    (source (origin
+              (method url-fetch)
+              (uri (bioconductor-uri "snapCGH" version))
+              (sha256
+               (base32
+                "1zxvl8mkby7yb5kppddag6k9w78d1fm6adx52h4cgrfckn28w64q"))))
+    (properties `((upstream-name . "snapCGH")))
+    (build-system r-build-system)
+    (propagated-inputs
+     (list r-acgh
+           r-cluster
+           r-dnacopy
+           r-glad
+           r-limma
+           r-tilingarray))
+    (home-page "https://bioconductor.org/packages/snapCGH")
+    (synopsis "Segmentation, normalisation and processing of the aCGH data")
+    (description
+     "This package provides methods for segmenting, normalising and processing
+aCGH data.  snapCGH also includes plotting functions for visualising raw and
+segmented data for individual and multiple arrays.")
+    ;; Expanded from GPL
+    (license (list license:gpl2+ license:gpl3+))))
+
 (define-public r-snpstats
   (package
     (name "r-snpstats")