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The advantages of the Matthews correlation coefficient (MCC) over F1 score and accuracy in binary classification evaluation

BMC Genomics · 2020 · Vol. 21(1) · pp. 6–6
Davide ChiccoGiuseppe Jurman

Abstract

In this article, we show how MCC produces a more informative and truthful score in evaluating binary classifications than accuracy and F<sub>1</sub> score, by first explaining the mathematical properties, and then the asset of MCC in six synthetic use cases and in a real genomics scenario. We believe that the Matthews correlation coefficient should be preferred to accuracy and F<sub>1</sub> score in evaluating binary classification tasks by all scientific communities.

Imbalanced Data Classification TechniquesText and Document Classification TechnologiesData Mining Algorithms and ApplicationsBinary classificationFalse positive paradoxBinary numberFalse positives and false negativesCorrelationConfusion matrixArtificial intelligenceStatisticsPearson product-moment correlation coefficientFalse positive rate

MeSH terms

Machine LearningCorrelation of DataAlgorithmsData Interpretation, StatisticalComputational Biology

Funding

  • University of Toronto
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