Table 11 Statistic metrics obtained by W-GRNN model to forecast the EC parameter for all combinations.
Model | Criteria | Combination | |||
---|---|---|---|---|---|
Combo 1 | Combo 2 | Combo 3 | Combo 4 | ||
Wavelet-Demy Test | R | 0.811 | 0.785 | 0.797 | 0.790 |
RMSE | 214.160 | 224.622 | 220.293 | 225.909 | |
MAE | 166.059 | 181.860 | 179.529 | 185.436 | |
RAE | 0.598 | 0.655 | 0.647 | 0.668 | |
MAPE | 9.055 | 9.727 | 9.442 | 9.677 | |
E | 0.634 | 0.597 | 0.612 | 0.592 | |
IA | 0.879 | 0.869 | 0.881 | 0.881 | |
PI | 0.937 | 0.993 | 0.974 | 0.996 | |
Wavelet-Bior Test | R | 0.810 | 0.791 | 0.792 | 0.789 |
RMSE | 219.122 | 221.946 | 222.328 | 225.607 | |
MAE | 171.231 | 180.733 | 180.477 | 184.291 | |
RAE | 0.617 | 0.651 | 0.650 | 0.664 | |
MAPE | 9.238 | 9.560 | 9.598 | 9.676 | |
E | 0.617 | 0.607 | 0.605 | 0.594 | |
IA | 0.876 | 0.877 | 0.875 | 0.878 | |
PI | 0.960 | 0.987 | 0.988 | 1.000 | |
Wavelet-Demy Train | R | 0.933 | 0.959 | 0.974 | 0.986 |
RMSE | 251.635 | 200.526 | 159.135 | 115.105 | |
MAE | 185.355 | 148.077 | 114.561 | 77.823 | |
RAE | 0.342 | 0.273 | 0.211 | 0.144 | |
MAPE | 10.074 | 7.874 | 5.902 | 3.837 | |
E | 0.857 | 0.909 | 0.943 | 0.970 | |
IA | 0.956 | 0.973 | 0.984 | 0.992 | |
PI | 1.000 | 0.868 | 0.756 | 0.639 | |
Wavelet-Bior Train | R | 0.957 | 0.969 | 0.966 | 0.982 |
RMSE | 204.698 | 176.366 | 182.512 | 134.219 | |
MAE | 146.654 | 128.769 | 133.566 | 93.273 | |
RAE | 0.271 | 0.238 | 0.246 | 0.172 | |
MAPE | 7.787 | 6.737 | 7.003 | 4.669 | |
E | 0.906 | 0.930 | 0.925 | 0.959 | |
IA | 0.972 | 0.980 | 0.978 | 0.989 | |
PI | 1.000 | 0.920 | 0.939 | 0.775 |