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# Copyright 2013-2023 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.package import *
class RFastcluster(RPackage):
"""Fast Hierarchical Clustering Routines for R and 'Python'.
This is a two-in-one package which provides interfaces to both R and
'Python'. It implements fast hierarchical, agglomerative clustering
routines. Part of the functionality is designed as drop-in replacement for
existing routines: linkage() in the 'SciPy' package
'scipy.cluster.hierarchy', hclust() in R's 'stats' package, and the
'flashClust' package. It provides the same functionality with the benefit
of a much faster implementation. Moreover, there are memory-saving routines
for clustering of vector data, which go beyond what the existing packages
provide. For information on how to install the 'Python' files, see the file
INSTALL in the source distribution."""
cran = "fastcluster"
license("BSD-2-Clause OR GPL-2.0-only OR custom")
version("1.2.3", sha256="1f229129e1cddc78c7bb5ecc90c4d28ed810ee68cf210004c7cdfa12cfaf2a01")
version("1.1.25", sha256="f3661def975802f3dd3cec5b2a1379f3707eacff945cf448e33aec0da1ed4205")
depends_on("r@3.0.0:", type=("build", "run"))
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