Welcome to the Copula Correction website! Use the tabs above to navigate to the flowchart, histogram viewer, and R codes/pacakge.
The flowchart is designed to help the user decide what kind of copula correction model to use.
The histogram viewer visualizes the results evaluating the performance of different ways to handle copula transformation of regressors.
The content of this webpage is based on the paper A Practical Guide to Endogeneity Correction Using Copulas (Qian, Koschmann & Xie, 2025, Journal of Marketing). You can access the full paper here.