bonsai 0.4.0

New Engines

• Added catboost engine to boost_tree() (#70).

Improvements

• The lightgbm engine now warns that arguments passed to params argument in set_engine() are ignored (#110).

• Automatic handling of num_classes argument when specifying a multiclass classification objective for the lightgbm engine (#109).

• Increased the minimum R version to R 4.1.

Bug Fixes

• Fixed bug where num_threads argument were ignored for lightgbm engine (#105).