| Classic PLSR method | PLSR based on VIP selection method | Adapted PLSR based on VIP weighted method |
Sand content | |||
R2 | 0.494 | 0.526 | 0.596 |
Adjusted | 0.474 | 0.507 | 0.580 |
RMSE | 6.879 | 6.748 | 6.430 |