Papers › Multistage Estimators for Missing Covariates and Incomplete Outcomes
Multistage Estimators for Missing Covariates and Incomplete Outcomes
Daniel Suen, Yen-Chi Chen
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We study problems with multiple missing covariates and partially observed responses. We develop a new framework to handle complex missing covariate scenarios via inverse probability weighting, regression adjustment, and a multiply-robust procedure. We apply our framework to three classical problems: the Cox model from survival analysis, missing response, and binary treatment from causal inference. We also discuss how to handle missing covariates in these scenarios, and develop associated identifying theories and asymptotic theories. We apply our procedure to simulations and an Alzheimer's disease dataset and obtain meaningful results.
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