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امتیاز بریر×دقت×زیان لگاریتمی (زیان آنتروپی متقاطع)×
حوزهارزیابی مدلارزیابی مدلارزیابی مدل
خانوادهMCDMMCDMMCDM
سال پیدایش195020th century1990s
پدیدآورGlenn W. BrierHistorical statistical foundationsInformation theory and machine learning literature
نوعLoss functionEvaluation metricLoss function
منبع بنیادینBrier, G. W. (1950). Verification of forecasts expressed in terms of probability. Monthly Weather Review, 78(1), 1-3. DOI ↗Fawcett, T. (2006). An introduction to ROC analysis. Pattern Recognition Letters, 27(8), 861-874. DOI ↗Goodfellow, I., Bengio, Y., & Courville, A. (2016). Deep Learning. MIT Press. link ↗
نام‌های دیگرMean Squared Probability ErrorOverall Accuracy, Correct Classification RateCross-Entropy Loss, Logloss
مرتبط353
خلاصهThe Brier score measures the mean squared difference between predicted probabilities and actual binary outcomes. It is a simple, interpretable metric for evaluating the accuracy of probabilistic predictions, particularly in weather forecasting and medical diagnosis.Accuracy 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.Log-loss measures the difference between predicted probabilities and actual labels, penalizing confident wrong predictions more than uncertain ones. It is a standard loss function in machine learning optimization and evaluates probabilistic classifier calibration.
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ScholarGateمقایسهٔ روش‌ها: Brier Score · Accuracy · Log-Loss (Cross-Entropy Loss). بازیابی‌شده در 2026-06-18 از https://scholargate.app/fa/compare