Research on the Settlement Prediction Model of Foundation Pit Based on the Improved PSO-SVM Model

Table 5

Processing accuracy of the three models (unit: mm).

	SVM	PSO-SVM	SAPSO-SVM
RMSE	0.6791	0.3208	0.1889
SSE	14.2956	3.1912	1.1067
MAE	0.4426	0.2909	0.1693
R^2(goodness of fit)	0.8924	0.9285	0.9641