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# Copyright 2013-2022 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 RLfe(RPackage):
"""Linear Group Fixed Effects.
Transforms away factors with many levels prior to doing an OLS. Useful for
estimating linear models with multiple group fixed effects, and for
estimating linear models which uses factors with many levels as pure
control variables. See Gaure (2013) <doi:10.1016/j.csda.2013.03.024>
Includes support for instrumental variables, conditional F statistics for
weak instruments, robust and multi-way clustered standard errors, as well
as limited mobility bias correction (Gaure 2014 <doi:10.1002/sta4.68>).
WARNING: This package is NOT under active development anymore, no further
improvements are to be expected, and the package is at risk of being
removed from CRAN."""
cran = "lfe"
version('2.8-7.1', sha256='d6a1efd8c43f84fa291e4959938f16e85bf5feef113515aaca1fe90075a78c50')
version('2.8-6', sha256='bf5fd362e9722e871a5236f30da562c489ae6506b667609b9465eefa8f101612')
version('2.8-5', sha256='fd80c573d334594db933ff38f67bd4c9f899aaf648c3bd68f19477a0059723c2')
version('2.8-4', sha256='ee5f6e312214aa73e285ae84a6bdf49ba10e830f1a68ffded2fea2e532f2cd6a')
depends_on('r@2.15.2:', type=('build', 'run'))
depends_on('r-matrix@1.1-2:', type=('build', 'run'))
depends_on('r-formula', type=('build', 'run'))
depends_on('r-xtable', type=('build', 'run'))
depends_on('r-sandwich', type=('build', 'run'))
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