Deformation Prediction of a Deep Foundation Pit Based on the Combination Model of Wavelet Transform and Gray BP Neural Network

Table 6

Prediction of gray BP network model.

Measured period	Measured displacement	Fitting value	Residual	Relative error (%)	Average error (%)
9	6.45	6.78	−0.33	5.12	6.70
10	6.67	7.01	−0.34	5.23
11	6.78	7.24	−0.46	6.73
12	6.87	7.54	−0.67	9.7