how to crossvalidate lambda what r package does caret cross validate for both alpha and lambda what is glmnet r function what db does caret use as a control if lambda is alpha what does the caret train function cross-validate for? what is caret in r how does caret cross-validate for both alpha and lambda r what is caret train does caret train cross validate for both lambda and alpha what is caret in r r does caret cross-validate over alpha and lambda for the glmnet model? does caret cross validate over lambda does r caret train which train function is needed for lambda? what is the purpose of caret in r what does lambda mean in r what function cross validate for lambda what is the lambda test function in r what is the lambda in caret does caret cross validate for alpha and lambda in glmnet