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GR

Greg Ridgeway

6 packages On CRAN since Feb 2003 (23 years) · last active 7 weeks ago 0000-0001-6911-0804

Downloads

43K

Last 30 days

127.1K

Last 90 days

551.8K

Last year

Average trend: +19% (30d vs prior 30d)

Top Packages by Downloads

gbm
38K
twang
3.5K
gbm3
580
TDboost
365
erboost
270
cosmic
240

Portfolio Check Status

Aggregate CRAN check results across 3 maintained packages.

39

OK

Recent Activity

gbm3 new v3.0.1 May 13, 2026

Generalized Boosted Regression Models

cosmic new v0.5 May 4, 2026

Conditional Ordinal Stereotype Model for Incident-Level Comparison

TDboost new v1.6 Mar 10, 2026

A Boosted Tweedie Compound Poisson Model

erboost new v1.5 Mar 10, 2026

Nonparametric Multiple Expectile Regression via ER-Boost

gbm new v2.2.3 Mar 10, 2026

Generalized Boosted Regression Models

twang new v2.6.2 Mar 10, 2026

Toolkit for Weighting and Analysis of Nonequivalent Groups

gbm updated v2.2.3 Jan 21, 2026

Generalized Boosted Regression Models

twang updated v2.6.2 Dec 22, 2025

Toolkit for Weighting and Analysis of Nonequivalent Groups

TDboost updated v1.6 Mar 24, 2025

A Boosted Tweedie Compound Poisson Model

erboost updated v1.5 Mar 24, 2025

Nonparametric Multiple Expectile Regression via ER-Boost

Maintained Packages

3 packages

Package Version
gbm 2.2.3
gbm3 3.0.1
cosmic 0.5

Co-authored Packages

1 package

Package Version
twang 2.6.2

Contributions

2 packages

Package Version
TDboost 1.6
erboost 1.5