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دقت موزون×ماتریس سردرگمی×دقت×
حوزهارزیابی مدلارزیابی مدلارزیابی مدل
خانوادهMCDMMCDMMCDM
سال پیدایش201020th century20th century
پدیدآورBrodersen, Ong, Stephan, and BuhmannStatistical foundationsHistorical statistical foundations
نوعEvaluation metricEvaluation visualizationEvaluation metric
منبع بنیادینBrodersen, 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 ↗Everitt, B. S., & Hothorn, T. (2005). A Handbook of Statistical Analyses Using R. Chapman and Hall/CRC. link ↗Fawcett, T. (2006). An introduction to ROC analysis. Pattern Recognition Letters, 27(8), 861-874. DOI ↗
نام‌های دیگرAverage Recall, Equal-weight Average SensitivityError Matrix, Contingency TablePositive Predictive Value, PPV
مرتبط555
خلاصهBalanced 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 confusion matrix is a table that displays the counts of true positives, true negatives, false positives, and false negatives. It provides a complete picture of where a classifier makes correct and incorrect predictions, enabling calculation of all other classification metrics.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: Balanced Accuracy · Confusion Matrix · Precision. بازیابی‌شده در 2026-06-18 از https://scholargate.app/fa/compare