which model can be based on cross validation which r function is used for cross validation what does a caret model do? what model do i use for cross validate what is the purpose of training in r to stack model? Stack model with caret what is caret training why train different models in r with caret r create folds functions what model does caret use r what is caret used for can you train different model for cross validation? can r train multiple models how to stack caret models combining different caret models why does caret model use same cross validation what is the r code for ensembling carets what is the purpose of the caret model what is the purpose of a caret model what is the function for ensembling model