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דיוק מאוזן×מדד F1×דיוק (Precision)×עֶרְכָּה (רגישות)×
תחוםהערכת מודליםהערכת מודליםהערכת מודליםהערכת מודלים
משפחהMCDMMCDMMCDMMCDM
שנת המקור2010197920th century20th century
הוגה השיטהBrodersen, Ong, Stephan, and BuhmannC. J. van RijsbergenHistorical statistical foundationsHistorical statistical foundations
סוגEvaluation metricEvaluation metricEvaluation metricEvaluation metric
מקור מכונןBrodersen, 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 ↗van Rijsbergen, C. J. (1979). Information Retrieval (2nd ed.). Butterworth-Heinemann. link ↗Fawcett, T. (2006). An introduction to ROC analysis. Pattern Recognition Letters, 27(8), 861-874. DOI ↗Fawcett, T. (2006). An introduction to ROC analysis. Pattern Recognition Letters, 27(8), 861-874. DOI ↗
כינוייםAverage Recall, Equal-weight Average SensitivityF-measure, Harmonic MeanPositive Predictive Value, PPVSensitivity, True Positive Rate, TPR
קשורות5555
תקצירBalanced 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 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.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.Recall measures the proportion of actual positive cases that were correctly identified by the classifier. It answers the question: 'Of all the cases that were truly positive, how many did we find?' Recall is critical in scenarios where missing positive cases is costly.
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מעבר לחיפוש הורדת מצגת

ScholarGateהשוואת שיטות: Balanced Accuracy · F1-Score · Precision · Recall (Sensitivity). אוחזר בתאריך 2026-06-18 מתוך https://scholargate.app/he/compare