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ExplainableBoostingClassifier / ExplainableBoostingRegressor: Additive
models of per-feature
shape functions (EBM / GA2M). Each feature's bin-to-score mapping is learned and exposed, so the whole model reads as
intercept + f_0(x_0) + f_1(x_1) + ....
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RuleFitClassifier / RuleFitRegressor: A forest is distilled into a
small set of human-readable
feature <= t /
feature > t rules, then a sparse linear model is fit over the rules plus the original features.