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Täpsus×Tõlgendustabel×F1-hinne×Täpsus×
ValdkondMudelite hindamineMudelite hindamineMudelite hindamineMudelite hindamine
PerekondMCDMMCDMMCDMMCDM
Tekkeaasta20th century20th century197920th century
LoojaHistorical statistical foundationsStatistical foundationsC. J. van RijsbergenHistorical statistical foundations
TüüpEvaluation metricEvaluation visualizationEvaluation metricEvaluation metric
AlgallikasFawcett, T. (2006). An introduction to ROC analysis. Pattern Recognition Letters, 27(8), 861-874. 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 ↗Fawcett, T. (2006). An introduction to ROC analysis. Pattern Recognition Letters, 27(8), 861-874. DOI ↗
RööpnimetusedOverall Accuracy, Correct Classification RateError Matrix, Contingency TableF-measure, Harmonic MeanPositive Predictive Value, PPV
Seotud5555
KokkuvõteAccuracy 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.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.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.
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ScholarGateVõrdle meetodeid: Accuracy · Confusion Matrix · F1-Score · Precision. Loetud 2026-06-19 aadressilt https://scholargate.app/et/compare