Research Article
Moving-Window-Improved Monte Carlo Uninformative Variable Elimination Combining Successive Projections Algorithm for Near-Infrared Spectroscopy (NIRS)
Table 5
Number of selected wavelengths and C2H4 gas concentration prediction results.
| | Wavelength selection algorithm | Number of wavelengths | Model type | RMSECV | RMSEP | r |
| | Full spectrum | 4601 | PLS | 0.1431 | 0.1342 | 0.9801 | | MC-UVE | 214 | PLS | 0.1009 | 0.1212 | 0.9887 | | MC-UVE-SPA | 17 | MLR | 0.1375 | 0.0537 | 0.9913 | | MC-UVE-SPA-MW( = 2L) | 34 | MLR | 0.0989 | 0.0495 | 0.9988 | | MC-UVE-SPA-MW( = 2R) | 34 | MLR | 0.0988 | 0.0486 | 0.9990 | | MC-UVE-SPA-MW( = 3) | 48 | MLR | 0.1005 | 0.0434 | 0.9999 |
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The maximum number of PCs was again set to 10 for both PLS models.
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