A Modified Hybrid Method Based on PSO, GA, and K-Means for Network Anomaly Detection

Table 3

Attribute extraction results.

Group number	Group type	Far (%)	DR (%)	Running time (s)
1	Top 10 in Fisher sorting	8.3	78.2	54
2	Top 20 in Fisher sorting	7.4	81.5	88
3	Top 30 in Fisher sorting	7.2	85.1	132
4	Random selection of 10	10.2	70.6	60
5	Random selection of 20	9.7	72.8	93
6	Random selection of 30	9.3	75.1	116
7	All attributes	12.2	64.3	203