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دقت×دقت موزون×دقت×
حوزهارزیابی مدلارزیابی مدلارزیابی مدل
خانوادهMCDMMCDMMCDM
سال پیدایش20th century201020th century
پدیدآورHistorical statistical foundationsBrodersen, Ong, Stephan, and BuhmannHistorical statistical foundations
نوعEvaluation 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 ↗Fawcett, T. (2006). An introduction to ROC analysis. Pattern Recognition Letters, 27(8), 861-874. DOI ↗
نام‌های دیگرOverall Accuracy, Correct Classification RateAverage Recall, Equal-weight Average SensitivityPositive Predictive Value, PPV
مرتبط555
خلاصهAccuracy is the proportion of correct predictions among the total number of predictions made by a classification model. It is the most intuitive performance metric and measures how often the classifier makes correct predictions overall, regardless of class.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.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: Accuracy · Balanced Accuracy · Precision. بازیابی‌شده در 2026-06-18 از https://scholargate.app/fa/compare