Fox, John, and Sanford Weisberg. “Visualizing Fit and Lack of Fit in Complex Regression Models With Predictor Effect Plots and Partial Residuals”. Journal of Statistical Software 87, no. 9 (November 30, 2018): 1–27. Accessed November 23, 2024. https://www.jstatsoft.org/index.php/jss/article/view/v087i09.