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stat.ME2026
Anytime-Valid Distribution Shift Detection via Predictive Rank Martingales
Qi Kuang, Yin Xia
Many sequential distribution shift detectors update a growing reference set with incoming observations. After a change, this update contaminates the reference set with post-change…
stat.ME2026
Gaussian Differentially Private -values: Construction, Threshold Calibration, and Multiple Testing
Qi Kuang, Bowen Gang, Yin Xia
This paper develops a framework for differentially private -values under Gaussian differential privacy (-GDP). We characterize the canonical noise mechanism, establishing tha…
stat.ME2026
SCORE: A Unified Framework for Overshoot Refund in Online FDR Control
Qi Kuang, Bowen Gang, Yin Xia
We propose a unified framework to enhance the power of online multiple hypothesis testing procedures based on -values. While -value-based methods offer robust online False Di…