Table 4 Presents the percentage change in performance metrics between the indices prediction model and the combined indices and canopy temperature model.
Moisture types | ML models | RSI | NDSI | Published indices | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
R2 | RMSE | MAE | R2 | RMSE | MAE | R2 | RMSE | MAE | ||
LMC | RF | 0.190 | -0.296 | 2.547 | 16.426 | -15.808 | -7.812 | 5.384 | -8.520 | -2.669 |
PLSR | -44.678 | 30.654 | 17.975 | 2.209 | -1.649 | -10.349 | 5.761 | 2.156 | -0.752 | |
SVM | 3.338 | -8.143 | -1.677 | 5.149 | -7.313 | -4.634 | 5.307 | -7.314 | -11.430 | |
ANN | -27.653 | 31.825 | 18.491 | 6.816 | -3.301 | -3.215 | -8.116 | 5.409 | 14.163 | |
PMC | RF | -0.559 | 1.239 | -0.507 | 1.055 | -2.267 | -6.836 | 2.258 | -4.886 | -5.181 |
PLSR | 0.805 | -1.692 | 2.289 | 0.319 | -0.754 | 1.842 | -2.500 | 5.981 | -3.702 | |
SVM | 13.820 | -15.890 | -18.327 | 0.948 | -2.302 | 1.880 | 4.736 | -6.289 | -10.683 | |
ANN | 0.132 | -0.372 | -2.498 | -0.248 | 0.669 | 0.402 | 4.632 | -11.848 | -25.015 | |