Research Article
Foundation Settlement Prediction Based on a Novel NGM Model
Table 4
The comparison of prediction performance and predictive values of ultimate settlement among the above forecasting models.
| | ā | ONGM (1, 1, , ) model | NGM (1, 1, , ) model | NGM (1, 1, ) model | GM (1, 1) model | Asaoka model | Hyperbolic model |
| | Mean absolute error | 0.73 | 5.07 | 5.08 | 6.77 | 1.05 | 1.87 | | Mean absolute relative error | 0.94% | 7.60% | 7.31% | 9.30% | 1.18% | 2.82% | | Mean squared error | 0.88 | 39.95 | 36.71 | 69.73 | 1.45 | 4.18 | | Predictive value of ultimate settlement (cm) | 125.63 | 125.63 | 129.03 | +ā | 125.79 | 183.28 |
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