Hi,
I was trying to fix data imbalances in R on a particular dataset and was modelling with the help of oversampling, undersampling, both, ROSE (synthetic sampling) techniques on predicted and test sets. I got 4 different ROC curves for the above 4 models separately and their respective AUC. I wanted these 4 ROC curves fit together in one graph which I could not do. Could someone please help?
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