Research Article
Research on Deformation Prediction of Foundation Pit Based on PSO-GM-BP Model
Table 7
ZL2-7 actual value and predicted value comparison results table.
| | Period | 13 | 14 | 15 |
| | Actual value | 2350.88 | 2342.03 | 2455.03 | | BP network | Predicted value | 2228.461 | 2270.236 | 2564.764 | | Relative error (%) | 5.21 | 3.07 | ā4.47 |
| | PSO-BP network | Predicted value | 2305.01 | 2388.83 | 2405.64 | | Relative error (%) | 1.95 | ā2.00 | 2.01 |
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