2 papers
math.ST2026
Robust linear regression under latent group heterogeneity
Xifeng Li, Shuzhen Yang
Uncertainty is ubiquitous in real-world data, and the assumptions underlying classical linear regression models are often violated in practice. Inspired by the theory of sublinear…
math.ST2025
A robust and p-hacking-proof significance test under variance uncertainty
Xifeng Li, Shuzhen Yang, Jianfeng Yao
P-hacking poses challenges to traditional hypothesis testing. In this paper, we propose a robust method for the one-sample significance test that can protect against p-hacking from…