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زیان لگاریتمی (زیان آنتروپی متقاطع)×امتیاز بریر×امتیاز F1×
حوزهارزیابی مدلارزیابی مدلارزیابی مدل
خانوادهMCDMMCDMMCDM
سال پیدایش1990s19501979
پدیدآورInformation theory and machine learning literatureGlenn W. BrierC. J. van Rijsbergen
نوعLoss functionLoss functionEvaluation metric
منبع بنیادینGoodfellow, I., Bengio, Y., & Courville, A. (2016). Deep Learning. MIT Press. link ↗Brier, G. W. (1950). Verification of forecasts expressed in terms of probability. Monthly Weather Review, 78(1), 1-3. DOI ↗van Rijsbergen, C. J. (1979). Information Retrieval (2nd ed.). Butterworth-Heinemann. link ↗
نام‌های دیگرCross-Entropy Loss, LoglossMean Squared Probability ErrorF-measure, Harmonic Mean
مرتبط335
خلاصهLog-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.The 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.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.
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ScholarGateمقایسهٔ روش‌ها: Log-Loss (Cross-Entropy Loss) · Brier Score · F1-Score. بازیابی‌شده در 2026-06-18 از https://scholargate.app/fa/compare