Vertaile menetelmiä
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| F1-pisteet× | Makrokeskiarvoistettu F1× | |
|---|---|---|
| Tieteenala | Mallien arviointi | Mallien arviointi |
| Menetelmäperhe | MCDM | MCDM |
| Syntyvuosi≠ | 1979 | 2000s |
| Kehittäjä≠ | C. J. van Rijsbergen | Multi-class evaluation community |
| Tyyppi | Evaluation metric | Evaluation metric |
| Alkuperäislähde≠ | van Rijsbergen, C. J. (1979). Information Retrieval (2nd ed.). Butterworth-Heinemann. link ↗ | 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 ↗ |
| Rinnakkaisnimet | F-measure, Harmonic Mean | Macro F1, Unweighted average F1 |
| Liittyvät≠ | 5 | 3 |
| Tiivistelmä≠ | 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. | Macro-averaged F1 computes the F1-score independently for each class and then takes the unweighted arithmetic mean. It treats all classes equally, regardless of their frequency in the dataset, making it useful for imbalanced multi-class problems. |
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