19 lines
692 B
Python
19 lines
692 B
Python
# Copyright 2013-2019 Lawrence Livermore National Security, LLC and other
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# Spack Project Developers. See the top-level COPYRIGHT file for details.
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#
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# SPDX-License-Identifier: (Apache-2.0 OR MIT)
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from spack import *
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class RNnls(RPackage):
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"""An R interface to the Lawson-Hanson implementation of an
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algorithm for non-negative least squares (NNLS). Also allows
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the combination of non-negative and non-positive constraints."""
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homepage = "https://cran.r-project.org/package=nnls"
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url = "https://cran.rstudio.com/src/contrib/nnls_1.4.tar.gz"
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list_url = "https://cran.rstudio.com/src/contrib/Archive/nnls"
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version('1.4', 'cdb3640120f73e0ccb6079108e0ef361')
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