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| Precisió equilibrada× | Matriu de confusió× | Precisió× | |
|---|---|---|---|
| Camp | Avaluació de models | Avaluació de models | Avaluació de models |
| Família | MCDM | MCDM | MCDM |
| Any d'origen≠ | 2010 | 20th century | 20th century |
| Autor original≠ | Brodersen, Ong, Stephan, and Buhmann | Statistical foundations | Historical statistical foundations |
| Tipus≠ | Evaluation metric | Evaluation visualization | Evaluation metric |
| Font seminal≠ | Brodersen, K. H., Ong, C. S., Stephan, K. E., & Buhmann, J. M. (2010). The balanced accuracy and its posterior distribution. 20th International Conference on Pattern Recognition (ICPR), 3121-3124. DOI ↗ | Everitt, B. S., & Hothorn, T. (2005). A Handbook of Statistical Analyses Using R. Chapman and Hall/CRC. link ↗ | Fawcett, T. (2006). An introduction to ROC analysis. Pattern Recognition Letters, 27(8), 861-874. DOI ↗ |
| Àlies | Average Recall, Equal-weight Average Sensitivity | Error Matrix, Contingency Table | Positive Predictive Value, PPV |
| Relacionats | 5 | 5 | 5 |
| Resum≠ | Balanced accuracy is the average of recall values computed for each class separately. It corrects for class imbalance by giving equal weight to the performance on each class, regardless of class frequency in the dataset. | The confusion matrix is a table that displays the counts of true positives, true negatives, false positives, and false negatives. It provides a complete picture of where a classifier makes correct and incorrect predictions, enabling calculation of all other classification metrics. | 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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