Computer scienceData scienceMachine learningClassificationClassification metrics

ROC and AUC

Scaling the scores

Report a typo

Suppose we obtained a list of predictions from a model and calculated it's AUC. Then, we multiplied the predictions vector by a factor of 2. Would the AUC change after the multiplication?

Select one option from the list

Yes, it would make the AUC score worse

No, because AUC is scale invariant and it operates in relative prediction scores

Yes, it would make the AUC score better

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