summaryrefslogtreecommitdiff
path: root/var
diff options
context:
space:
mode:
Diffstat (limited to 'var')
-rw-r--r--var/spack/repos/builtin/packages/r-gbm/package.py15
1 files changed, 12 insertions, 3 deletions
diff --git a/var/spack/repos/builtin/packages/r-gbm/package.py b/var/spack/repos/builtin/packages/r-gbm/package.py
index 8caea3a6ba..01e0ba8db6 100644
--- a/var/spack/repos/builtin/packages/r-gbm/package.py
+++ b/var/spack/repos/builtin/packages/r-gbm/package.py
@@ -7,16 +7,25 @@ from spack import *
class RGbm(RPackage):
- """Generalized Boosted Regression Models."""
+ """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."""
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('2.1.8', 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-gridextra', when='@2.1.5:', type=('build', 'run'))
- depends_on('r-survival', type=('build', 'run'))
depends_on('r-lattice', type=('build', 'run'))
+ depends_on('r-survival', type=('build', 'run'))
+ depends_on('r-gridextra', when='@2.1.5', type=('build', 'run'))