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| Mikro-uśrednione F1× | Wynik F1× | |
|---|---|---|
| Dziedzina | Ocena modeli | Ocena modeli |
| Rodzina | MCDM | MCDM |
| Rok powstania≠ | 2000s | 1979 |
| Twórca≠ | Multi-class evaluation community | C. J. van Rijsbergen |
| Typ | Evaluation metric | Evaluation metric |
| Źródło pierwotne≠ | Powers, D. M. (2011). Evaluation: From Precision, Recall and F-Measure to ROC, Informedness, Markedness and Correlation. Journal of Machine Learning Technologies, 2(1), 37-63. link ↗ | van Rijsbergen, C. J. (1979). Information Retrieval (2nd ed.). Butterworth-Heinemann. link ↗ |
| Inne nazwy | Micro F1, Frequency-weighted average F1 | F-measure, Harmonic Mean |
| Pokrewne≠ | 4 | 5 |
| Podsumowanie≠ | Micro-averaged F1 computes the F1-score by aggregating true positives, false positives, and false negatives across all classes, then calculating a single metric. It is equivalent to accuracy in multi-class classification and is useful when class distributions reflect their natural importance. | The F1-score is the harmonic mean of precision and recall, providing a single metric that balances both concerns. It was introduced by van Rijsbergen in information retrieval and has become a standard metric for evaluating classification models where both precision and recall are important. |
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