k-fold cross-validation with stepwise regression_R Squares for training and validation
Hi, I have a problem when doing k-fold cross-validation with stepwise regression: I want to run the k-fold cross-validation with stepwise regression for 100 times using same dataset and save the R squares for both the training and the validation sets. The results table of JMP include two columns, “RSquare” and “RSquare K-Fold”. Although I can get different “RSquare K-Fold”, it seems that e...