Hybrid Gradient Descent Grey Wolf Optimizer for Optimal Feature Selection

Table 18

Highest accuracy feature subset comparison of HGDGWO3, BGWOPSO, BGWO1, and BGWO2 on the SPECT Heart dataset.

SPECT Heart
	Accuracy	-measure	Fitness values	No. of features	Precision	Sensitivity
BGWO1	0.8889	0.9032	0.2878	13	0.9333	0.875
BGWO2	0.8889	0.9143	0.2491	2	0.8421	1
HGDGWO	0.8889	0.9091	0.2801	8	0.8824	0.9375
BGWOPSO	0.8889	0.9032	0.2704	14	0.9333	0.875