3 papers
cs.LG2025
Prior-Aligned Meta-RL: Thompson Sampling with Learned Priors and Guarantees in Finite-Horizon MDPs
Runlin Zhou, Chixiang Chen, Elynn Chen
We study meta-reinforcement learning in finite-horizon MDPs where related tasks share similar structures in their optimal action-value functions. Specifically, we posit a linear re…
stat.ME2024
Exploring causal effects of hormone- and radio-treatments in an observational study of breast cancer using copula-based semi-competing risks models
Tonghui Yu, Mengjiao Peng, Yifan Cui +2
Breast cancer patients may experience relapse or death after surgery during the follow-up period, leading to dependent censoring of relapse. This phenomenon, known as semi-competin…
stat.ME2024
Advancing Information Integration through Empirical Likelihood: Selective Reviews and a New Idea
Chixiang Chen, Jia Liang, Elynn Chen +1
Information integration plays a pivotal role in biomedical studies by facilitating the combination and analysis of independent datasets from multiple studies, thereby uncovering va…