Research Article
Applying Adaptive Neural Fuzzy Inference System to Improve Concrete Strength Estimation in Ultrasonic Pulse Velocity Tests
Table 3
Results of the test group data into the ANN.
| Network type | Hidden layer | R2 | Standard deviation | Input type | MAPE (%) | Training | Testing |
| 1-3-1 | 1 | 0.74 | 16.42 | Single entry | 10.48 | 10.94 | 2-3-2 | 1 | 0.75 | 16.34 | Double entry | 10.46 | 10.87 |
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