23 citations · 63 across the 4 of their papers we have counts for
4 papers
Nonparametric inference about mean functionals of nonignorable nonresponse data without identifying the joint distribution
Wei Li, Wang Miao, Eric Tchetgen Tchetgen
We consider identification and inference about mean functionals of observed covariates and an outcome variable subject to nonignorable missingness. By leveraging a shadow variable,…
A Selective Review of Negative Control Methods in Epidemiology
Xu Shi, Wang Miao, Eric Tchetgen Tchetgen
Purpose of Review: Negative controls are a powerful tool to detect and adjust for bias in epidemiological research. This paper introduces negative controls to a broader audience an…
Identifying Causal Effects With Proxy Variables of an Unmeasured Confounder
Wang Miao, Zhi Geng, Eric Tchetgen Tchetgen
We consider a causal effect that is confounded by an unobserved variable, but with observed proxy variables of the confounder. We show that, with at least two independent proxy var…
Identification, Doubly Robust Estimation, and Semiparametric Efficiency Theory of Nonignorable Missing Data With a Shadow Variable
Wang Miao, Lan Liu, Eric Tchetgen Tchetgen +1
We consider identification and estimation with an outcome missing not at random (MNAR). We study an identification strategy based on a so-called shadow variable. A shadow variable…