Table 3 Comparison of prediction models under different excitation functions.
From: A novel combined intelligent algorithm prediction model for the tunnel surface settlement
Excitation functions | MSE | RMSE | MAPE |
|---|---|---|---|
Sigmoid | 0.0026 | 0.0513 | 0.0144 |
Hardlim | 0.2739 | 0.5233 | 0.1345 |
Sine | 0.1012 | 0.3181 | 0.1079 |
