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Linganisha mbinu

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Usahihi×Usawa wa Usahihi (Balanced Accuracy)×Matriki ya Kuchanganyikiwa×F1-Score×Usahihi×
NyanjaTathmini ya ModeliTathmini ya ModeliTathmini ya ModeliTathmini ya ModeliTathmini ya Modeli
FamiliaMCDMMCDMMCDMMCDMMCDM
Mwaka wa asili20th century201020th century197920th century
MwanzilishiHistorical statistical foundationsBrodersen, Ong, Stephan, and BuhmannStatistical foundationsC. J. van RijsbergenHistorical statistical foundations
AinaEvaluation metricEvaluation metricEvaluation visualizationEvaluation metricEvaluation metric
Chanzo asiliaFawcett, 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 ↗Fawcett, T. (2006). An introduction to ROC analysis. Pattern Recognition Letters, 27(8), 861-874. DOI ↗
Majina mbadalaOverall Accuracy, Correct Classification RateAverage Recall, Equal-weight Average SensitivityError Matrix, Contingency TableF-measure, Harmonic MeanPositive Predictive Value, PPV
Zinazohusiana55555
MuhtasariAccuracy 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.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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ScholarGateLinganisha mbinu: Accuracy · Balanced Accuracy · Confusion Matrix · F1-Score · Precision. Imepatikana 2026-06-18 kutoka https://scholargate.app/sw/compare