31 lines
1.4 KiB
Python
31 lines
1.4 KiB
Python
# 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 RGbm(RPackage):
|
|
"""Generalized Boosted Regression Models.
|
|
|
|
An implementation of extensions to Freund and Schapire's AdaBoost algorithm
|
|
and Friedman's gradient boosting machine. Includes regression methods for
|
|
least squares, absolute loss, t-distribution loss, quantile regression,
|
|
logistic, multinomial logistic, Poisson, Cox proportional hazards partial
|
|
likelihood, AdaBoost exponential loss, Huberized hinge loss, and Learning
|
|
to Rank measures (LambdaMart). Originally developed by Greg Ridgeway."""
|
|
|
|
cran = "gbm"
|
|
|
|
version("2.1.8.1", sha256="8d2456124552658ee9500707c4e9992cf42cb88705008c32ea258efb4f2be80b")
|
|
version("2.1.8", sha256="7d5de3b980b8f23275e86ac9bed48a497c9aa53c58e407dfd676309f38272ec1")
|
|
version("2.1.5", sha256="06fbde10639dfa886554379b40a7402d1f1236a9152eca517e97738895a4466f")
|
|
version("2.1.3", sha256="eaf24be931d762f1ccca4f90e15997719d01005f152160a3d20d858a0bbed92b")
|
|
|
|
depends_on("r@2.9.0:", type=("build", "run"))
|
|
depends_on("r-lattice", type=("build", "run"))
|
|
depends_on("r-survival", type=("build", "run"))
|
|
|
|
depends_on("r-gridextra", type=("build", "run"), when="@2.1.5")
|