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stat.ME2026
Conditional independence testing through marginal permutation
Jiahao Ai, Ziang Niu
Marginal permutation is exact for testing marginal independence but generally invalid for conditional independence because it breaks the dependence between the exposure () a…
stat.ME2024
Not all distributional shifts are equal: Fine-grained robust conformal inference
Jiahao Ai, Zhimei Ren
We introduce a fine-grained framework for uncertainty quantification of predictive models under distributional shifts. This framework distinguishes the shift in covariate distribut…