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| Modeling method | Characteristic parameter | Rc2 | RMSEc/g·kg-1 | Rv2 | RMSEv/g·kg-1 |
|---|---|---|---|---|---|
| PLSR | Rx Sx |
0.778 0.773 |
0.773 0.782 |
0.665 0.664 |
1.378 1.368 |
| SVM | Rx Sx |
0.819 0.821 |
0.703 0.710 |
0.759 0.768 |
1.102 1.019 |
Rc2: determination coefficient of calibration; Rv2: determination coefficient of validation; RMSEc: root-mean-square error of calibration; RMSEv: root-mean-square error of validation
