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Kļūdu matrica×Precizitāte×Precizitāte×Atcerēšanās (jutība)×
NozareModeļu novērtēšanaModeļu novērtēšanaModeļu novērtēšanaModeļu novērtēšana
SaimeMCDMMCDMMCDMMCDM
Izcelsmes gads20th century20th century20th century20th century
AutorsStatistical foundationsHistorical statistical foundationsHistorical statistical foundationsHistorical statistical foundations
TipsEvaluation visualizationEvaluation metricEvaluation metricEvaluation metric
PirmavotsEveritt, 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 ↗Fawcett, T. (2006). An introduction to ROC analysis. Pattern Recognition Letters, 27(8), 861-874. DOI ↗
Citi nosaukumiError Matrix, Contingency TableOverall Accuracy, Correct Classification RatePositive Predictive Value, PPVSensitivity, True Positive Rate, TPR
Saistītās5555
KopsavilkumsThe 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.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.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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ScholarGateSalīdzināt metodes: Confusion Matrix · Accuracy · Precision · Recall (Sensitivity). Izgūts 2026-06-18 no https://scholargate.app/lv/compare