Research Article
Predicting GPR Signals from Concrete Structures Using Artificial Intelligence-Based Method
Table 6
Performance results of ANN model.
| | 
 |  | ā | Training | Validation | Testing | Overall |  | 
 |  | R2 | 0.9965 | 0.9939 | 0.9941 | 0.9958 |  | MSE | 0.013 | 0.024 | 0.019 | 0.015 |  | RMSE | 0.114 | 0.155 | 0.138 | 0.122 |  | Instances | 200 | 44 | 44 | 288 |  | 
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