2 papers
stat.ML2026
Online Survival Analysis: A Bandit Approach under Cox PH Model
Yang Xu, Wenbin Lu, Rui Song
Survival analysis is a widely used statistical framework for modeling time-to-event data under censoring. Classical methods, such as the Cox proportional hazards (Cox PH) model, of…
stat.ML2025
Off-Policy Evaluation Under Nonignorable Missing Data
Han Wang, Yang Xu, Wenbin Lu +1
Off-Policy Evaluation (OPE) aims to estimate the value of a target policy using offline data collected from potentially different policies. In real-world applications, however, log…