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Accuratezza×Accuratezza Bilanciata×Matrice di confusione×Punteggio F1×
CampoValutazione dei modelliValutazione dei modelliValutazione dei modelliValutazione dei modelli
FamigliaMCDMMCDMMCDMMCDM
Anno di origine20th century201020th century1979
IdeatoreHistorical statistical foundationsBrodersen, Ong, Stephan, and BuhmannStatistical foundationsC. J. van Rijsbergen
TipoEvaluation metricEvaluation metricEvaluation visualizationEvaluation metric
Fonte seminaleFawcett, 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 ↗Everitt, B. S., & Hothorn, T. (2005). A Handbook of Statistical Analyses Using R. Chapman and Hall/CRC. link ↗van Rijsbergen, C. J. (1979). Information Retrieval (2nd ed.). Butterworth-Heinemann. link ↗
AliasOverall Accuracy, Correct Classification RateAverage Recall, Equal-weight Average SensitivityError Matrix, Contingency TableF-measure, Harmonic Mean
Correlati5555
SintesiAccuracy 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.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.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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ScholarGateConfronta i metodi: Accuracy · Balanced Accuracy · Confusion Matrix · F1-Score. Consultato il 2026-06-18 da https://scholargate.app/it/compare