Prediction of Welding Deformation and Residual Stress of a Thin Plate by Improved Support Vector Regression

Table 4

Prediction performance evaluation of the PSO-GS-SVR model.

		Transverse deformation			Longitudinal deformation			Residual stress
			MAPE (%)	MSE		MAPE (%)	MSE		MAPE (%)	MSE
PSO-GS-SVR	Training	0.9931	0.5324	0.00001	0.9911	1.1496	0.00005	0.9967	1.9183	6.2346
	Testing	0.9677	1.2437	0.00004	0.9763	2.2527	0.00014	0.9745	4.3015	32.3187
SVR	Training	0.9281	1.5391	0.00010	0.9450	3.7545	0.00023	0.9809	2.2783	11.4254
	Testing	0.8619	4.2559	0.00044	0.9064	5.8612	0.00043	0.8939	9.9153	115.3360