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Results of PCR analysis with different spectra treatments in the wavelength range of 967-2619 nm
| Spectrum | Number of PC | Calibration |
Validation |
|||
| r2 | RMSEC | r2 | RMSEP | SDR | ||
| Log(1/R) | 6 | 0.771 | 0.0656 | 0.755 | 0.0671 | 1.72 |
| Dlog(1/R) | 10 | 0.794 | 0.0621 | 0.736 | 0.0700 | 1.63 |
| D2log(1/R) | 7 | 0.780 | 0.0642 | 0.747 | 0.0689 | 1.62 |
PC: Principle Component; D: Derivate spectra; R: Reflectance
