Ship Accident Prediction Based on Improved Quantum-Behaved PSO-LSSVM

Table 2

The error comparison of different models.

	Errors
	RMSE	MRE
Models	m = 4	m = 4
GM (1, 1)	6.916	0.302
Lasso regression	6.904	0.292
Bayesian regression	6.864	0.289
PSO-LSSVM	6.787	0.288
QPSO-LSSVM	6.784	0.287
Gray-IQPSP-LSSVM	6.746	0.282