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How does ROC & AUC Curves work

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Answer

A model with a higher AUC score generally does a better job distinguishing between classes across different decision thresholds, making it a useful way to compare models.
Real-world example A team compares two fraud detection models using their AUC scores to decide which one better distinguishes fraud from normal transactions.

Common follow-ups: What is AI Model Evaluation & Testing, How is ROC & AUC Curves evaluated in practice, What tools are commonly used for ROC & AUC Curves

AI Model Evaluation & Testing topics: Model Accuracy & Precision Metrics Confusion Matrix Analysis ROC & AUC Curves
All 7 ROC & AUC Curves questions