# Copyright 2013-2020 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 RGbm(RPackage):
    """Generalized Boosted Regression Models."""

    homepage = "https://cloud.r-project.org/package=gbm"
    url      = "https://cloud.r-project.org/src/contrib/gbm_2.1.3.tar.gz"
    list_url = "https://cloud.r-project.org/src/contrib/Archive/gbm"

    version('2.1.5', sha256='06fbde10639dfa886554379b40a7402d1f1236a9152eca517e97738895a4466f')
    version('2.1.3', sha256='eaf24be931d762f1ccca4f90e15997719d01005f152160a3d20d858a0bbed92b')

    depends_on('r@2.9.0:', type=('build', 'run'))
    depends_on('r-gridextra', when='@2.1.5:', type=('build', 'run'))
    depends_on('r-survival', type=('build', 'run'))
    depends_on('r-lattice', type=('build', 'run'))