Table 2 Support vector machine regression (SVM)
Models | RMSE | MSE | MAE | R-squared predicted |
|---|---|---|---|---|
(A)Yw = f(VCI19-21) | 3.04 | 9.25 | 1.88 | 0.60 |
(B)Yw = f(VHI49-52) | 4.47 | 20.00 | 3.33 | 0.41 |
(C) = Yw = f(VCI19-21,VHI29-32) | 6.93 | 48.02 | 4.50 | 0.41 |
(D)Yw = f(VHI49-52,TCI11-13) | 1.91 | 3.65 | 1.61 | 0.78 |