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stat.ME2026
Fast Algorithms for Exact Confidence Intervals in Randomized Experiments with Binary Outcomes
Peng Zhang
We construct exact confidence intervals for the average treatment effect in randomized experiments with binary outcomes using sequences of randomization tests. Our approach does no…
stat.ME2025
Identification and Debiased Learning of Causal Effects with General Instrumental Variables
Shuyuan Chen, Peng Zhang, Yifan Cui
Instrumental variable methods are fundamental to causal inference when treatment assignment is confounded by unobserved variables. In this article, we develop a general nonparametr…
stat.ME2024
On Distributional Discrepancy for Experimental Design with General Assignment Probabilities
Anup B. Rao, Peng Zhang
We investigate experimental design for randomized controlled trials (RCTs) with both equal and unequal treatment-control assignment probabilities. Our work makes progress on the co…