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تخصصیت×دقت موزون×ضریب همبستگی متیوز (MCC)×دقت×
حوزهارزیابی مدلارزیابی مدلارزیابی مدلارزیابی مدل
خانوادهMCDMMCDMMCDMMCDM
سال پیدایش20th century2010197520th century
پدیدآورHistorical statistical foundationsBrodersen, Ong, Stephan, and BuhmannBrian W. MatthewsHistorical statistical foundations
نوعEvaluation metricEvaluation metricEvaluation metricEvaluation metric
منبع بنیادینFawcett, 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 ↗Matthews, B. W. (1975). Comparison of predicted and observed secondary structure of T4 phage lysozyme. Biochimica et Biophysica Acta (BBA)-Protein Structure, 405(2), 442-451. DOI ↗Fawcett, T. (2006). An introduction to ROC analysis. Pattern Recognition Letters, 27(8), 861-874. DOI ↗
نام‌های دیگرTrue Negative Rate, TNRAverage Recall, Equal-weight Average SensitivityPhi Coefficient, Binary Classification CorrelationPositive Predictive Value, PPV
مرتبط5555
خلاصهSpecificity measures the proportion of actual negative cases that were correctly identified as negative by the classifier. It answers the question: 'Of all the cases that were truly negative, how many did we correctly reject?' Specificity is complementary to recall and is essential when false positives are costly.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 Matthews Correlation Coefficient (MCC) is a correlation measure between predicted and actual binary classifications. It ranges from -1 to 1 and is considered one of the most reliable single-score metrics for evaluating binary classifiers, especially on imbalanced datasets.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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ScholarGateمقایسهٔ روش‌ها: Specificity · Balanced Accuracy · Matthews Correlation Coefficient · Precision. بازیابی‌شده در 2026-06-18 از https://scholargate.app/fa/compare