Corpus ID: 33348619

A Framework for Optimal Matching for Causal Inference

@inproceedings{Kallus2017AFF,
  title={A Framework for Optimal Matching for Causal Inference},
  author={Nathan Kallus},
  booktitle={AISTATS},
  year={2017}
}
  • Nathan Kallus
  • Published in AISTATS 2017
  • Mathematics, Computer Science
  • We propose a novel framework for matching estimators for causal effect from observational data that is based on minimizing the dual norm of estimation error when expressed as an operator. We show that many popular matching estimators can be expressed as optimal in this framework, including nearest-neighbor matching, coarsened exact matching, and mean-matched sampling. This reveals their motivation and aptness as structural priors formulated by embedding the effect in a particular functional… CONTINUE READING
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