Table 8. 10-Fold Cross-Validation Score.

number	WOA-WLSSVM	GWO-WLSSVM	Bian model (GWO-LSSVM)
1	0.7991	0.7732	0.6112
2	0.8713	0.7361	0.6301
3	0.8863	0.889	0.7119
4	0.9211	0.8213	0.7702
5	0.9502	0.8402	0.7322
6	0.8899	0.9031	0.8071
7	0.8818	0.9004	0.8102
8	0.9033	0.8912	0.7969
9	0.9075	0.7919	0.7829
10	0.9306	0.8989	0.8346
average rating	0.8941	0.8445	0.7487
standard deviation (σ)	0.0390	0.0582	0.0729