Table 8.

Comparison of different feature selection methods.

Data set	Feature selection method	Evaluation indicators (%)
		Accuracy	Precision	Recall	F1-score
NSL-KDD	RFP	99.81	99.76	99.81	99.79
	PCA	98.74	98.87	98.74	98.79
	AE	98.70	98.81	98.70	98.81
UNSW_NB15	RFP	85.55	86.24	85.55	85.61
	PCA	82.17	83.36	82.17	82.60
	AE	84.91	86.00	84.91	85.4
CIC-IDS2017	RFP	99.70	99.68	99.70	99.69
	PCA	97.77	97.94	97.77	97.77
	AE	98.54	98.65	98.54	98.56