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| Dokładność (Accuracy)× | Zrównoważona dokładność× | Precyzja× | |
|---|---|---|---|
| Dziedzina | Ocena modeli | Ocena modeli | Ocena modeli |
| Rodzina | MCDM | MCDM | MCDM |
| Rok powstania≠ | 20th century | 2010 | 20th century |
| Twórca≠ | Historical statistical foundations | Brodersen, Ong, Stephan, and Buhmann | Historical statistical foundations |
| Typ | Evaluation metric | Evaluation metric | Evaluation metric |
| Źródło pierwotne≠ | Fawcett, T. (2006). An introduction to ROC analysis. Pattern Recognition Letters, 27(8), 861-874. DOI ↗ | 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 ↗ | Fawcett, T. (2006). An introduction to ROC analysis. Pattern Recognition Letters, 27(8), 861-874. DOI ↗ |
| Inne nazwy | Overall Accuracy, Correct Classification Rate | Average Recall, Equal-weight Average Sensitivity | Positive Predictive Value, PPV |
| Pokrewne | 5 | 5 | 5 |
| Podsumowanie≠ | Accuracy is the proportion of correct predictions among the total number of predictions made by a classification model. It is the most intuitive performance metric and measures how often the classifier makes correct predictions overall, regardless of class. | 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. | 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. |
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