Table 12. The training results of Stacking.

		Accuracy	Loss	F1 score
S1	C1	0.9645	−0.1189	0.9645
	C2	0.9643	−0.1185	0.9642
	C3	0.9641	−0.1184	0.9643
	M4	0.9373	−0.2034	0.9372
S2	C1	0.8878	−0.3186	0.8862
	C2	0.8856	−0.3212	0.8860
	C3	0.8825	−0.3229	0.8836
	M4	0.7798	−0.6269	0.7730
S3	C1	0.9450	−0.1703	0.9452
	C2	0.9446	−0.1722	0.9447
	C3	0.9433	−0.1753	0.9431
	M4	0.8850	−0.3387	0.8854

Note:

Values in bold represent the optimum values for each group.