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math.ST2026
Is the regression -test doubly robust?
Lucy Xia, Oliver Y. Feng, Yang Feng +2
We study the robustness of the -test in random design linear models, and reach a somewhat nuanced conclusion. On the positive side, one of our main results is that the size of t…
stat.ME2026
Transfer Learning for Robust Structured Regression with Bi-level Source Detection
Haoming Shi, Yang Feng, Xiaoqian Liu
High-dimensional data in modern applications, such as COVID-19 mortality, often span multiple domains. Leveraging auxiliary information from source domains to improve performance i…