Table 5 \({k}_{s}\) prediction statistics comparison.
From: Data-driven prediction of the equivalent sand-grain roughness
Musker et al. | Flack et al. | Kuwata et al. | ‘White box’ model | PSO-BPNN | |
|---|---|---|---|---|---|
MAE | 0.1316 | 0.1034 | 0.0729 | 0.0608 | 0.0390 |
MSE | 0.0255 | 0.0183 | 0.0141 | 0.0074 | 0.0026 |
MAPE | 76.22% | 51.66% | 56.91% | 38.87% | 28.12% |
