Deformation Prediction of Foundation Pit Based on Exponential Power Product Model of Improved Algorithm

Table 3

Comparison of deformation prediction models of each foundation pit.

Example	Model	Periods	Measured value/mm	Estimate/mm	Absolute error/%	Relative error/%	MRE/%	MAE/mm
1	ISDO-EPP	36	22.24	22.27	-0.1	-0.45	0.73	0.17
		37	22.96	23.19	0.23	1
		38	23.75	23.68	-0.07	-0.29
		39	24.45	24.57	0.12	0.47
		40	24.84	25.19	0.35	1.42
	ISDO-SVM	36	22.24	22.12	-0.22	-0.97	0.81	0.19
		37	22.96	23.02	0.06	0.26
		38	23.75	23.65	-0.1	-0.43
		39	24.45	24.57	0.12	0.48
		40	24.84	25.32	0.48	1.92
	ISDO-BP	36	22.24	22.26	-0.08	-0.34	0.87	0.21
		37	22.96	23.25	0.25	1.25
		38	23.75	23.74	-0.01	-0.04
		39	24.45	24.66	0.21	0.87
		40	24.84	25.29	0.45	1.83
2	ISDO-EPP	16	11.3	11.14	-0.16	-1.44	3.36	0.43
		17	12.1	11.76	-0.34	-2.79
		18	12.3	12.72	0.42	3.42
		19	13.5	12.48	-1.02	-7.55
		20	14.7	14.47	-0.23	-1.59
	ISDO-SVM	16	11.3	11.49	0.19	1.67	3.83	0.51
		17	12.1	11.75	-0.35	-2.82
		18	12.3	12.52	0.22	1.81
		19	13.5	12.72	-0.78	-5.81
		20	14.7	13.68	-1.02	-6.92
	ISDO-BP	16	11.3	11.19	-0.11	-1.01	5.96	0.81
		17	12.1	11.39	-0.71	-5.86
		18	12.3	12.11	-0.19	-1.58
		19	13.5	12.17	-1.33	-9.87
		20	14.7	13.01	-1.69	-11.48
3	ISDO-EPP	13	13.86	13.81	-0.05	-0.35	1.33	0.22
		14	15.12	15.19	0.07	0.49
		15	16.84	16.31	-0.53	-3.14
	ISDO-SVM	13	13.86	13.04	-0.82	-5.9	5.83	0.90
		14	15.12	14.46	-0.66	-4.36
		15	16.84	15.62	-1.22	24
	ISDO-BP	13	13.86	12.79	-1.07	-7.75	8.01	1.23
		14	15.12	14.12	-1	-6.61
		15	16.84	15.21	-1.63	-9.66