Model Wrappers for Tree-Based Models R package bonsai version 0.4.1 Bindings for additional tree-based model engines for use with the 'parsnip' package. Models include gradient boosted decision trees with 'LightGBM' (Ke et al, 2017.), conditional inference trees and conditional random forests with 'partykit' (Hothorn and Zeileis, 2015. and Hothorn et al, 2006. <doi:10.1198/106186006X133933>), and accelerated oblique random forests with 'aorsf' (Jaeger et al, 2022 <doi:10.5281/zenodo.7116854>). Software Depends: parsnip (>= 1.4.0), R (>= 4.1) Imports: cli, dials, dplyr, purrr, rlang (>= 1.1.0), stats, tibble, utils, withr Suggests: aorsf (>= 0.1.5), covr, knitr, lightgbm, Matrix, modeldata, partykit, rmarkdown, rsample, testthat (>= 3.0.0), tune Emil Hvitfeldt <emil.hvitfeldt@posit.co> Comprehensive R Archive Network (CRAN) Daniel Falbel [aut], Athos Damiani [aut], Roel M. Hogervorst [aut] (ORCID: <https://orcid.org/0000-0001-7509-0328>), Max Kuhn [aut] (ORCID: <https://orcid.org/0000-0003-2402-136X>), Simon Couch [aut] (ORCID: <https://orcid.org/0000-0001-5676-5107>), Emil Hvitfeldt [aut, cre] (ORCID: <https://orcid.org/0000-0002-0679-1945>), Posit Software, PBC [cph, fnd] (ROR: <https://ror.org/03wc8by49>) MIT + file LICENSE (https://CRAN.R-project.org/package=bonsai/LICENSE) 2026-05-21 application/tgz https://CRAN.R-project.org/package=bonsai doi:10.32614/CRAN.package.bonsai