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| Superfície sota la corba Precision-Recall× | Precisió× | |
|---|---|---|
| Camp | Avaluació de models | Avaluació de models |
| Família | MCDM | MCDM |
| Any d'origen≠ | 2006 | 20th century |
| Autor original≠ | Davis and Goadrich | Historical statistical foundations |
| Tipus | Evaluation metric | Evaluation metric |
| Font seminal≠ | Davis, J., & Goadrich, M. (2006). The relationship between precision-recall and ROC curves. Proceedings of the 23rd International Conference on Machine Learning, 233-240. DOI ↗ | Fawcett, T. (2006). An introduction to ROC analysis. Pattern Recognition Letters, 27(8), 861-874. DOI ↗ |
| Àlies | PR AUC, PR Curve | Positive Predictive Value, PPV |
| Relacionats≠ | 4 | 5 |
| Resum≠ | The Precision-Recall Area Under the Curve (PR AUC) is the area under the curve formed by plotting recall on the x-axis and precision on the y-axis. It is particularly useful for evaluating classifiers on imbalanced datasets, where it is often more informative than ROC AUC. | Precision measures the proportion of positive predictions that were actually correct. It answers the question: 'Of all the cases we predicted as positive, how many were truly positive?' Precision is critical in scenarios where false positives are costly. |
| ScholarGateConjunt de dades ↗ |
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