3 papers
stat.ME2026
Mitigating the Winner's Curse While Controlling Multiplicity: e-Process Methods for Anytime-Valid Inference in Dose-Ranging Trials
Victor K. de la Pena, Fangyuan Lin, Demissie Alemayehu +1
Phase II dose-ranging trials often report the largest observed dose-control effect while inspecting accumulating data repeatedly. This creates two coupled distortions: selection op…
math.ST2026
A Selection Premium Decomposition for the Expected Maximum of Random Walks
Victor H. de la Pena, Fangyuan Lin, Victor K. de la Pena
When models are evaluated on the same validation set of size , the selected winner's apparent performance is biased upward. Suppose models are evaluated on a shared sequ…
stat.ME2024
Differentially Private Methods for Compositional Data
Qi Guo, Andrés F. Barrientos, VÃctor Peña
Confidential data, such as electronic health records, activity data from wearable devices, and geolocation data, are becoming increasingly prevalent. Differential privacy provides…