Closed kjytay closed 4 years ago
In the last para of "Choosing covariates", the sentence should read "The classic example of a covariate that should not just be [included] as an additional predictor is an instrumental variable..."
Thanks! Fixed.
In the last para of "Choosing covariates", the sentence should read "The classic example of a covariate that should not just be [included] as an additional predictor is an instrumental variable..."