gnu: Add r-maser.

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

gnu/packages/bioconductor.scm

@@ -6274,6 +6274,38 @@ containing the location/probe set membership mapping.  The other one creates a
 package that automatically loads that environment.")
     (license license:gpl2+)))
 
+(define-public r-maser
+  (package
+    (name "r-maser")
+    (version "1.16.0")
+    (source (origin
+              (method url-fetch)
+              (uri (bioconductor-uri "maser" version))
+              (sha256
+               (base32
+                "1zycx8s046g4d3w5qrn950bmi0nrnq1g7fvqji48mr6hmsyzplvv"))))
+    (properties `((upstream-name . "maser")))
+    (build-system r-build-system)
+    (propagated-inputs
+     (list r-biocgenerics
+           r-data-table
+           r-dplyr
+           r-dt
+           r-genomeinfodb
+           r-genomicranges
+           r-ggplot2
+           r-gviz
+           r-iranges
+           r-reshape2
+           r-rtracklayer))
+    (native-inputs (list r-knitr))
+    (home-page "https://github.com/DiogoVeiga/maser")
+    (synopsis "Mapping alternative splicing events to proteins")
+    (description
+     "This package provides functionalities for downstream analysis, annotation
+and visualizaton of alternative splicing events generated by rMATS.")
+    (license license:expat)))
+
 (define-public r-metaneighbor
   (package
     (name "r-metaneighbor")