Research Article
Evaluation of Several Machine Learning Models for Field Canal Improvement Project Cost Prediction
Table 4
Prediction performance results over the training phase.
| | R2 | RMSE | MAE | MAPE | Nash | MD |
| MARS model | | | | | | | M1 | 0.76 | 57097.21 | 40090.04 | 0.11 | 0.76 | 0.78 | M2 | 0.79 | 52443.11 | 35922.94 | 0.10 | 0.79 | 0.80 | M3 | 0.83 | 46957.45 | 35377.61 | 0.10 | 0.83 | 0.81 | M4 | 0.87 | 41427.33 | 31383.75 | 0.09 | 0.87 | 0.83 | M5 | 0.94 | 28458.17 | 20444.55 | 0.06 | 0.94 | 0.89 | M6 | 0.94 | 28458.17 | 20444.55 | 0.06 | 0.94 | 0.89 |
| ELM model | | | | | | | M1 | 0.72 | 61144.00 | 42644.28 | 0.12 | 0.72 | 0.76 | M2 | 0.75 | 58309.91 | 40861.50 | 0.12 | 0.75 | 0.77 | M3 | 0.79 | 52776.65 | 40372.48 | 0.11 | 0.79 | 0.78 | M4 | 0.81 | 50951.98 | 39296.32 | 0.11 | 0.81 | 0.79 | M5 | 0.90 | 36019.94 | 24352.69 | 0.07 | 0.90 | 0.87 | M6 | 0.90 | 36011.43 | 24362.29 | 0.07 | 0.90 | 0.87 |
| PLS model | | | | | | | M1 | 0.72 | 61182.31 | 43650.76 | 0.12 | 0.72 | 0.75 | M2 | 0.73 | 59634.10 | 42063.22 | 0.12 | 0.73 | 0.76 | M3 | 0.79 | 52816.73 | 40059.10 | 0.11 | 0.79 | 0.78 | M4 | 0.81 | 50951.98 | 39297.60 | 0.11 | 0.81 | 0.79 | M5 | 0.90 | 36026.97 | 24406.13 | 0.07 | 0.90 | 0.87 | M6 | 0.90 | 36013.16 | 24393.67 | 0.07 | 0.90 | 0.87 |
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