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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.