arXiv stat.ML
· Papers
ARC: Augmented-Rank Conformalization for Changepoint Localization — Finite-Sample Validity and Distribution-Robust Efficiency
arXiv:2608.08424v1 Announce Type: new Abstract: Conformal changepoint localization turns any score into a confidence set for the changepoint with finite-sample coverage. Coverage is universal; efficiency is not. The oracle score is a likelihood ratio, so practical scores estimate density ratios, and set length deterior