train_roc {nestedcv}

Build ROC curve from outer CV training folds

Description

Build ROC (receiver operating characteristic) curve from outer training folds. Object can be plotted using plot() or passed to functions pROC::auc() etc.

Usage

train_roc(x, direction = "<", ...)

Arguments

x

a nestcv.glmnet, nestcv.train or outercv object

direction

Set ROC directionality pROC::roc

...

Other arguments passed to pROC::roc

Details

Note: the argument outer_train_predict must be set to TRUE in the original call to either nestcv.glmnet, nestcv.train or outercv.

Value

"roc" object, see pROC::roc