Abstract:Residual plots are commonly used to diagnose possible model misspecification, including predictor omission. In this paper, we present a systematic workflow for using residual plots and partial residual plots to detect and distinguish several types of model misspecification in linear models. Our workflow uses a set of four Yes/No questions and is accessible to statisticians and practitioners of all experience levels.
Types of model misspecification considered by our workflow include four cases of predicto… Show more
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