Table 2.
Third overtone region (NIRSystems 2002) | Excluded wavelength (nm) | Accuracy | ||
---|---|---|---|---|
K-fold cross-validation accuracy (%) | Holdout validation accuracy (%) | |||
Training | Testing | |||
Both N–H and C–H stretching | None | 82.38 | 76.85 | 75.00 |
N–H stretching (775–850 nm) | 780 | 78.81 | 75.00 | 80.56 |
850 | 82.38 | 79.63 | 72.22 | |
C–H stretching (850–950 nm) | 870 | 80.48 | 70.37 | 77.78 |
910 | 77.74 | 74.07 | 77.78 | |
940 | 82.14 | 75.00 | 80.56 |