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updated tunables for boosting - #1306

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EmilHvitfeldt merged 2 commits into
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boosting-parameter-updates
Nov 19, 2025
Merged

updated tunables for boosting#1306
EmilHvitfeldt merged 2 commits into
mainfrom
boosting-parameter-updates

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@topepo

@topepo topepo commented Nov 16, 2025

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  • lightgbm and catboost have smaller default ranges for the learning rate: -3 to -1 / 2 in log10 units.
  • lightgbm, xgboost, catboost, and C5.0 have smaller default ranges for the sampling proportion: 0.5 to 1.0.
  • catboost engine arguments were added for max_leaves and l2_leaf_reg.

topepo added a commit to tidymodels/bonsai that referenced this pull request Nov 16, 2025
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topepo requested a review from EmilHvitfeldt November 16, 2025 17:40
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topepo marked this pull request as ready for review November 18, 2025 13:48
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EmilHvitfeldt merged commit 86589b1 into main Nov 19, 2025
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EmilHvitfeldt deleted the boosting-parameter-updates branch November 19, 2025 16:12
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This pull request has been automatically locked. If you believe you have found a related problem, please file a new issue (with a reprex: https://reprex.tidyverse.org) and link to this issue.

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