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ridgeBART: Bayesian Additive Regression Trees with Ridge Function Outputs

Implements an extension of Bayesian Additive Regression Trees (BART) in which each regression tree outputs a linear combination of random ridge functions (i.e., a composition of a non-linear function like cosine, hyperbolic tangent, the rectified linear unit with an affine transformation) instead of a constant. Can be used to perform "targeted smoothing" in which trees split on certain covariates but output smooth functions in other covariates. For more information, see Yee, Ghosh, and Deshpande (2026+) <doi:10.48550/arXiv.2411.07984>.

Version: 1.0.2
Imports: Rcpp
LinkingTo: Rcpp, RcppArmadillo
Published: 2026-05-27
DOI: 10.32614/CRAN.package.ridgeBART
Author: Ryan Yee ORCID iD [aut], Sameer K. Deshpande ORCID iD [aut, cre]
Maintainer: Sameer K. Deshpande <sameer.deshpande at wisc.edu>
License: GPL (≥ 3)
URL: https://github.com/ryanyee3/ridgeBART
NeedsCompilation: yes
CRAN checks: ridgeBART results

Documentation:

Reference manual: ridgeBART.html , ridgeBART.pdf

Downloads:

Package source: ridgeBART_1.0.2.tar.gz
Windows binaries: r-devel: ridgeBART_1.0.2.zip, r-release: ridgeBART_1.0.2.zip, r-oldrel: ridgeBART_1.0.2.zip
macOS binaries: r-release (arm64): ridgeBART_1.0.2.tgz, r-oldrel (arm64): ridgeBART_1.0.2.tgz, r-release (x86_64): ridgeBART_1.0.2.tgz, r-oldrel (x86_64): ridgeBART_1.0.2.tgz

Linking:

Please use the canonical form https://CRAN.R-project.org/package=ridgeBART to link to this page.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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