Research Article
Influence of Load Test Scale on Prediction of Ultimate Bearing Capacity of Aggregate Pier Reinforced Clay
Table 7
Prediction performance of the proposed model and it cross-validation (approach 2).
| Model | Evaluation case | MAE (kPa) | MAPE (%) | R2 | Bias, λ | Mean | COV (%) |
| MLRF & MLRL | Cross-validation (field + lab.) | 52.2 | 16.75 | 0.96 | 1.02 | 21.1 | MLRF & MLRL | Proposed model (field + lab.) | 47.2 | 15.47 | 0.96 | 1.02 | 19.2 | MLRF | Proposed model (field) | 65.4 | 10.51 | 0.93 | 1.02 | 13.7 | MLRL | Proposed model (lab.) | 38.3 | 17.89 | 0.96 | 1.02 | 21.5 |
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