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parsnip wrappers for tree-based models

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Adds support for `aorsf` (#73). I am uploading `aorsf` version 0.1.4 to CRAN and I don't expect any problems, but I totally understand if you'd prefer we hold off on...

The current engine implementation for `lightgbm` sends additional engine arguments to the function `lightgbm::lgb.train`. However, one of the dataset parameters is really a model option, `linear_tree`, which fits linear regression...

I noticed there wasn't much progress on integrating case_weights into lightgbm through bonsai so I've taken a crack at adding it. This is in reference to [65](https://github.com/tidymodels/bonsai/issues/65).

Hi, I was wondering if there are plans to support [EBMs](https://interpret.ml/docs/ebm.html) since they appear quite promising in terms of performance (matching XGB etc) whilst remaining very interpretable. There is even...

feature

The two partykit entries from tidymodels/parsnip#1052 are from bonsai.🌳

bug

Look into supporting [aorsf](https://docs.ropensci.org/aorsf/reference/orsf.html) if it makes it back to CRAN. :)

feature

How we add weight to labels within `bonsai`? Does `add_case_weights()` work with bonsai?

feature

The catbost package is expected to be in cran on 3 months (https://github.com/catboost/catboost/issues/439#issuecomment-1817315876) When possible, it would be good to add catboost engine support to bonsai and tidymodels.

Use cli errors over rlang / home-grown machinery.

upkeep