y_label_test np asarray(y_test==labeldtype=intproba clf predict_proba(x_testproba_label proba[:,labelfprtprroc_thresholds roc_curve(y_label_testproba_ labelplot tpr over fpr the outcome will be the six roc plots shown in the following screenshot as we have already found outour first version of classifier only performs well on classical songs looking at the individual roc curveshowevertells us that we are really underperforming for most of the other genres only jazz and country provide some hope the remaining genres are clearly not usable