Early Warning for the Construction Safety Risk of Bridge Projects Using a RS-SSA-LSSVM Model

Table 12

Results determined from 1,000 repeated calculations of different variable screening methods.

Warning degree	The proposed model		The SSA-LSSVM with the correlation analysis		The SSA-LSSVM with MIV
	Predicted	Rate of errors (%)	Predicted	Rate of errors (%)	Predicted	Rate of errors (%)
I	27.531	1.97	29.411	8.91	26.242	2.81
II	33.524	1.40	39.036	14.8	34.654	1.92
III	7.944	0.70	10.381	29.8	8.091	1.14
IV	3.001	0.03	3.172	5.73	3.013	0.43