AI Glossary
Area under the ROC curve
Also called AUROC, ROC AUC
What does “Area under the ROC curve” mean?
Area under the ROC curve: The area under a ROC curve, commonly used to summarize how well scores rank positives above negatives.

What is an example of “Area under the ROC curve”?
An analyst compares two fraud models across thresholds using AUROC.