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Table 5 Definitions of parameters used in evaluating the predictions

From: Evaluation of thresholds for the detection of binding sites for regulatory proteins in Escherichia coliK12 DNA

Evaluation

Formula

Sensitivity

TP/(TP + FN)

Specificity

TN/(TN + FP)

Accuracy

(TP + TN)/(TP + TN + FP + FN)

Positive predictive value (PPV)

TP/(TP +FP)

Overall performance (OP)

(Accuracy + PPV)/2

  1. FN, false negative; FP, false positive; TN, true negatives; TP, true positives.