Journal of Big Data

Table 17 Class-wise F1-score comparison between FS and FE in multiclass classification

From: Optimizing IoT intrusion detection system: feature selection versus feature extraction in machine learning

Class	Feature selection					Feature extraction
	Number of features					Number of features
	9	22	33	47	77	9	22	33	47	77
Backdoor	0.61	0.61	0.61	0.61	0.61	0.61	*0.62*	0.62	0.61	0.61
ddos	0.71	0.71	0.85	0.86	0.86	0.85	0.85	*0.87*	0.86	0.86
dos	0.00	0.08	0.08	0.09	0.09	0.00	*0.18*	0.17	0.09	0.09
Injection	0.00	0.06	0.03	*0.08*	0.06	0.02	0.06	0.06	0.06	0.06
mitm	0.00	0.00	0.00	0.00	0.00	0.05	*0.29*	0.28	0.00	0.00
Normal	0.86	0.86	0.89	0.89	0.89	0.89	0.89	0.89	0.89	0.89
Password	0.00	0.10	0.10	0.10	0.10	0.09	0.10	0.10	0.10	0.10
Ransomware	0.13	0.16	0.16	0.16	0.16	0.16	0.16	0.16	0.16	0.16
Scanning	0.00	0.00	0.69	0.70	0.70	0.70	*0.72*	0.72	0.70	0.70
xss	0.62	0.67	0.68	0.68	0.68	0.67	0.63	*0.70*	0.68	0.68
Average	0.29	0.33	0.41	0.45	0.42	0.41	0.45	*0.46*	0.42	0.42

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