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. 2011 Apr 13;6(4):e18755. doi: 10.1371/journal.pone.0018755

Figure 3. The accuracy and receiver operating characteristic (roc) curve for each ortholog prediction algorithm across a range of parameter values.

Figure 3

(A) The accuracy [(TP + TN)/(TP + TN + FP + FN)] of each ortholog prediction algorithm (shown on the Y-axis) is plotted against the range of algorithm-specific parameter values (shown on the X-axis). Values for MultiParanoid are for the ‘cut-off’ parameter, values for OrthoMCL are for the ‘inflation rate’ parameter, values for cRBH are for the ‘filtering parameter r’, and values for cRSD are for the ‘shape parameter a’. (B) The roc curve for each ortholog prediction algorithm shows sensitivity [TP/(TP + FN)] (on the Y-axis) plotted against 1 – specificity [1 – (TN/(TN + FP))] (on the X-axis). Optimal values and distributions reside on the top left of the graph. All values depicted in the graphs are shown in Table S1.