Table 4. The performances of the classifiers (IRGs related validation cohort).

Algorithm	TP rate	FP rate	Precision	Recall	F-Measure	MCC	ROC area	PRC area
Random forest	0.750	0.250	0.753	0.750	0.749	0.503	0.740	0.759
J48	0.650	0.350	0.665	0.650	0.642	0.314	0.625	0.589
IBK	0.750	0.250	0.775	0.750	0.744	0.524	0.750	0.694
SMO	0.800	0.200	0.800	0.800	0.800	0.600	0.800	0.740
Logistic	0.450	0.550	0.433	0.450	0.413	−0.115	0.400	0.460

IRGs, immune-related genes; TP, true positive; FP, false positive; MCC, Mathew correlation coefficient; ROC, receiver operating characteristic; PRC, precision recall curve; IBK, K-nearest neighbours; SMO, sequential minimal optimization.