# 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 import *


class RPowerlaw(RPackage):
    """Analysis of Heavy Tailed Distributions.

    An implementation of maximum likelihood estimators for a variety of heavy
    tailed distributions, including both the discrete and continuous power law
    distributions. Additionally, a goodness-of-fit based approach is used to
    estimate the lower cut-off for the scaling region."""

    cran = "poweRlaw"

    version('0.70.6', sha256='efc091449c5c6494c1c13c85a8eb95625d1c55ffffebe86c7ea16e4abbafa191')
    version('0.70.2', sha256='240f1454389b1a00ad483fb63e5b53243cc9367f21a3e7253ab2c293673459ab')
    version('0.70.1', sha256='15b1b8dadeb550c01b9f1308cfa64720be6fbf56afb80f6a096987d6a0055913')

    depends_on('r@3.1.0:', type=('build', 'run'))
    depends_on('r@3.4.0:', type=('build', 'run'), when='@0.70.2:')
    depends_on('r-pracma', type=('build', 'run'), when='@0.70.6:')

    depends_on('r-vgam', type=('build', 'run'), when='@:0.70.2')
