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Table 1 Performance measures for binary classifiers

From: Label noise in subtype discrimination of class C G protein-coupled receptors: A systematic approach to the analysis of classification errors

Measure

Formula

Meaning

Accuracy

\(\frac {tp+tn}{tp+fn+fp+tn}\)

Measure of correctness

Precision

\(\frac {tp}{tp+fp}\)

Measure of quality

Recall

\(\frac {tp}{tp+fn} \)

Measure of completeness

MCC

\(\frac {tp*tn-fp*fn}{\sqrt {(tp+fp)(tp+fn)(tn+fp)(tn+fn)}}\)

Correlation coefficient