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Matrice de confusion×Exactitude×Rappel (Sensibilité)×
DomaineÉvaluation de modèlesÉvaluation de modèlesÉvaluation de modèles
FamilleMCDMMCDMMCDM
Année d'origine20th century20th century20th century
Auteur d'origineStatistical foundationsHistorical statistical foundationsHistorical statistical foundations
TypeEvaluation visualizationEvaluation metricEvaluation metric
Source fondatriceEveritt, 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 ↗Fawcett, T. (2006). An introduction to ROC analysis. Pattern Recognition Letters, 27(8), 861-874. DOI ↗
AliasError Matrix, Contingency TableOverall Accuracy, Correct Classification RateSensitivity, True Positive Rate, TPR
Apparentées555
RésuméThe 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.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.Recall measures the proportion of actual positive cases that were correctly identified by the classifier. It answers the question: 'Of all the cases that were truly positive, how many did we find?' Recall is critical in scenarios where missing positive cases is costly.
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ScholarGateComparer des méthodes: Confusion Matrix · Accuracy · Recall (Sensitivity). Consulté le 2026-06-18 sur https://scholargate.app/fr/compare