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+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+
+
+class RBiasedurn(RPackage):
+ """Statistical models of biased sampling in the form of univariate and
+ multivariate noncentral hypergeometric distributions, including
+ Wallenius' noncentral hypergeometric distribution and Fisher's
+ noncentral hypergeometric distribution (also called extended
+ hypergeometric distribution). See vignette("UrnTheory") for
+ explanation of these distributions."""
+
+ homepage = "http://www.agner.org/random/"
+ url = "https://cran.rstudio.com/src/contrib/BiasedUrn_1.07.tar.gz"
+ list_url = "https://cran.r-project.org/src/contrib/Archive/BiasedUrn/"
+
+ version('1.07', sha256='2377c2e59d68e758a566452d7e07e88663ae61a182b9ee455d8b4269dda3228e')