Hybrid Gradient Descent Grey Wolf Optimizer for Optimal Feature Selection

Table 8

Results of HGDGWO2, BGWO1, and BGWO2 on the SPECT Heart dataset.

	SPECT Heart
	Average			Maximum			Minimum
	BGWO1	BGWO2	HGDGWO	BGWO1	BGWO2	HGDGWO	BGWO1	BGWO2	HGDGWO
Accuracy	0.708091	0.710598	0.694758	0.814815	0.851852	0.851852	0.555556	0.518519	0.518519
-measure	0.766021	0.767059	0.755479	0.857143	0.882353	0.888889	0.592593	0.606061	0.606061
Fitness values	0.258743	0.229926	0.254114	0.2825	0.256591	0.279545	0.226023	0.209432	0.228977
Number of features	11.06	3.88	7.06	14	9	12	5	2	2
Precision	0.724358	0.727099	0.71618	0.833333	0.833333	0.875	0.6	0.588235	0.588235
Sensitivity	0.820417	0.819583	0.806917	1	1	1	0.533333	0.625	0.625