Wavelet Packet Transform-Assisted Least Squares Support Vector Machine for Gear Wear Degree Diagnosis

Table 5

Test results of APSO-LSSVM with different number of features.

	Feature number	Label
		1	2	3	4	5	6
Result (%)	84	100	96.67	100	100	95	100
	70	100	96.67	100	100	95	100
	56	100	90	100	100	95	100
	42	100	90	100	100	95	80