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stat.ME2023
Single Proxy Control
Chan Park, David Richardson, Eric Tchetgen Tchetgen
Negative control variables are sometimes used in non-experimental studies to detect the presence of confounding by hidden factors. A negative control outcome (NCO) is an outcome th…
stat.ME2023★ 2 cited
Universal Difference-in-Differences for Causal Inference in Epidemiology
Eric Tchetgen Tchetgen, Chan Park, David Richardson
Difference-in-differences is undoubtedly one of the most widely used methods for evaluating the causal effect of an intervention in observational (i.e., nonrandomized) settings. Th…