gnu: Add r-bbmle.

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

gnu/packages/cran.scm

@@ -1447,3 +1447,28 @@ plot and a kernel density plot.")
 suite of fast incremental algorithms for machine learning that can be used for
 training models for classification or ranking.")
     (license license:asl2.0)))
+
+(define-public r-bbmle
+  (package
+    (name "r-bbmle")
+    (version "1.0.20")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (cran-uri "bbmle" version))
+       (sha256
+        (base32
+         "1xzij7swrrzl5ly8l3lw6awh486zcm00251dwqws1y23fbgyh3vc"))))
+    (build-system r-build-system)
+    (propagated-inputs
+     `(("r-lattice" ,r-lattice)
+       ("r-mass" ,r-mass)
+       ("r-numderiv" ,r-numderiv)))
+    (home-page "http://cran.r-project.org/web/packages/bbmle/")
+    (synopsis "Tools for General Maximum Likelihood Estimation")
+    (description
+     "This package provides methods and functions for fitting maximum
+likelihood models in R.  This package modifies and extends the @code{mle}
+classes in the @code{stats4} package.")
+    ;; Any version of the GPL
+    (license license:gpl2+)))