gnu: Add r-rmisc.

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

gnu/packages/cran.scm

@@ -29777,3 +29777,24 @@ (define-public r-vroom
 be read.  The writer formats the data in parallel and writes to disk
 asynchronously from formatting.")
     (license license:expat)))
+
+(define-public r-rmisc
+  (package
+    (name "r-rmisc")
+    (version "1.5")
+    (source (origin
+              (method url-fetch)
+              (uri (cran-uri "Rmisc" version))
+              (sha256
+               (base32
+                "1ijjhfy3v91fspid77rrkc5dkcb2lav37wc3f4k5lwrn24wzy5y8"))))
+    (build-system r-build-system)
+    (propagated-inputs
+     `(("r-plyr" ,r-plyr)
+       ("r-rcpp" ,r-rcpp)
+       ("r-lattice" ,r-lattice)))
+    (home-page "https://cran.r-project.org/web/packages/Rmisc/")
+    (synopsis "Ryan Miscellaneous")
+    (description "The Rmisc library contains functions for data analysis and
+utility operations.")
+    (license license:gpl3)))