Implementing 10-Fold Cross-Validation in Logistic Regression Using R: A Corrected Approach

Using k-fold Cross-validation to Improve Linear Regression Performance in R

Obtaining Cross-Validated r-Square Values from Linear Models in R Using k-Fold Cross-Validation

Backward Variable Selection in R Based on Test Data Prediction

Leave-one-out Cross Validation with Generalized Linear Model Models: A Practical Guide to Improving Model Performance