Table 2.

Parameter settings for EPSO and BPSO

Parameters	Values
The number of particles	100
The number of iteration (generation)	500
w1	0.8
w2	0.2
c1	2
c2	2
Cost, C	1
Gamma, g	1/k

Note: k = the number of genes (features) in a subset during a training phase in SVM.