Figure 4.

Receiver Operator Characteristic curves for PSWMs as operon predictors. ROC curves are shown for all 14 PSWM sets built and applied to E. coli. Legend refers to: Significance threshold or Data set_Clustering threshold_Number of clusters for a) Positive predictive Value (TP/(TP+FP)) vs sensitivity (TP/(TP+FN)), and b) Specificity (TN/(TN+FP)) vs sensitivity (TP/(TP+FN)).

Laing et al. BMC Genomics 2008 9:79   doi:10.1186/1471-2164-9-79
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