3 papers
stat.ME2026
Experimental Assortments for Choice Estimation and Nest Identification
Xintong Yu, Will Ma, Michael Zhao
What assortments (subsets of items) should be offered, to collect data for estimating a choice model over total items? We propose a structured, non-adaptive experiment design r…
stat.ME2023
Long-Term Causal Inference with Imperfect Surrogates using Many Weak Experiments, Proxies, and Cross-Fold Moments
Aurélien Bibaut, Nathan Kallus, Simon Ejdemyr +1
Inferring causal effects on long-term outcomes using short-term surrogates is crucial to rapid innovation. However, even when treatments are randomized and surrogates fully mediate…
stat.AP2023
Evaluating the Surrogate Index as a Decision-Making Tool Using 200 A/B Tests at Netflix
Vickie Zhang, Michael Zhao, and Maria Dimakopoulou +2
Surrogate index approaches have recently become a popular method of estimating longer-term impact from shorter-term outcomes. In this paper, we leverage 1098 test arms from 200 A/B…