Author

Hayden McTavish

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#machine learning Preprint Aug 2026

ArborEnum: Decision Tree Rashomon Sets over Continuous Features

This work introduces the first algorithm that exactly enumerates decision-tree Rashomon sets while exploiting the ordered structure of continuous features, and develops a relaxation for approximate enumeration and an anytime algorithm that progressively refines the set of candidate thresholds, producing increasingly de...

Zakk Heile, Hayden McTavish, Margo I. Seltzer et al. · 0 citations

#machine learning Jun 2026

Multistage Defer Trees for Hybrid Interpretability: If at First You Can't Succeed, Tree Again

This work introduces Multistage Defer Trees: a sequence of sparse decision trees that each make predictions for most samples, while deferring a small proportion to the next tree in the sequence or, ultimately, to a black box.

Zakk Heile, Hayden McTavish, Margo I. Seltzer et al. · arXiv.org · 1 citation