Research Article
Moving-Window-Improved Monte Carlo Uninformative Variable Elimination Combining Successive Projections Algorithm for Near-Infrared Spectroscopy (NIRS)
Table 4
Number of selected wavelengths and boiling point prediction results.
| | Wavelength selection algorithm | Number of wavelengths | Model type | RMSECV | RMSEP | r | RPD |
| | Full spectrum | 401 | PLS | 4.6350 | 8.3841 | 0.9103 | 2.3704 | | MC-UVE | 262 | PLS | 4.3184 | 10.0221 | 0.8311 | 1.7710 | | MC-UVE-SPA | 30 | MLR | 3.5503 | 8.8676 | 0.9341 | 2.4650 | | MC-UVE-SPA-MW( = 2L) | 58 | MLR | 3.9921 | 7.0442 | 0.9534 | 2.8212 | | MC-UVE-SPA-MW( = 2R) | 59 | MLR | 4.0024 | 6.8573 | 0.9556 | 2.8982 | | MC-UVE-SPA-MW( = 3) | 83 | MLR | 2.6478 | 5.9694 | 0.9752 | 3.9994 |
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The maximum number of PCs was again set to 10 for both PLS models.
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