gnu: Add r-acm4r.

* gnu/packages/cran.scm (r-acm4r): New variable.

gnu/packages/cran.scm

@@ -17132,3 +17132,27 @@ (define-public r-acid
 aides the analysis of income inequality by offering tools for the exploratory
 analysis of income distributions at the disaggregated level.")
     (license license:gpl3)))
+
+(define-public r-acm4r
+  (package
+    (name "r-acm4r")
+    (version "1.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (cran-uri "acm4r" version))
+       (sha256
+        (base32
+         "1wqzc35i1rshx0zlmas8y4qkkvy6h9r4i4apscjjv1xg2wjflzxa"))))
+    (properties `((upstream-name . "acm4r")))
+    (build-system r-build-system)
+    (propagated-inputs `(("r-mass" ,r-mass)))
+    (home-page "https://cran.r-project.org/web/packages/acm4r/")
+    (synopsis "Align-and-count method comparisons of RFLP data")
+    (description
+     "This is a package to compare sequence fragment lengths or molecular
+weights from pairs of lanes.  The number of matching bands in the
+@dfn{Restriction Fragment Length Polymorphism} (RFLP) data is calculated using
+the align-and-count method.")
+    ;; Any version of the GPL
+    (license (list license:gpl2+ license:gpl3+))))