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cs.LG2022
Model-Free and Model-Based Policy Evaluation when Causality is Uncertain
David Bruns-Smith
When decision-makers can directly intervene, policy evaluation algorithms give valid causal estimates. In off-policy evaluation (OPE), there may exist unobserved variables that bot…
stat.ME2022
Outcome Assumptions and Duality Theory for Balancing Weights
David Bruns-Smith, Avi Feller
We study balancing weight estimators, which reweight outcomes from a source population to estimate missing outcomes in a target population. These estimators minimize the worst-case…