Research Article
Research on Deformation Prediction of Foundation Pit Based on PSO-GM-BP Model
Table 13
B16 actual value and predicted value comparison results.
| | Period | 13 | 14 | 15 |
| | Actual value | 31.23 | 31.92 | 32.44 | | BP network | Predicted value | 34.2091 | 33.9029 | 33.7154 | | Relative error (%) | 9.54 | 6.21 | 3.93 |
| | PSO-BP network | Predicted value | 31.1965 | 31.6132 | 32.1754 | | Relative error (%) | −0.11 | −0.96 | −0.82 |
|
|
