Table 4 PLS-DA modeling of single spectrum and fusion spectrum
From: Research on anthracnose grade of Camellia oleifera based on the combined LIBS and THz technology
Spectrum | Modeling set | Prediction set | ||||
|---|---|---|---|---|---|---|
RMSEC | R2c | Misjudgment rate | RMSEP | R2p | Misjudgment rate | |
THz | 0.861 | 0.684 | 56.12% | 0.775 | 0.661 | 60.20% |
LIBS | 0.515 | 0.876 | 31.54% | 0.331 | 0.947 | 16.23% |
LIBS-CARS | 0.176 | 0.986 | 0.49% | 0.130 | 0.992 | 0 |
LIBS-UVE | 0.249 | 0.971 | 5.38% | 0.436 | 0.908 | 21.98% |
THz-LIBS | 0.528 | 0.874 | 29.49% | 0.436 | 0.914 | 4.12% |
THZ-LIBS-CARS | 0.103 | 0.995 | 0 | 0.110 | 0.995 | 1.03% |
THZ-LIBS-UVE | 0.180 | 0.985 | 1.02% | 0.405 | 0.927 | 23.71% |
THZ(CARS)-LIBS(CARS) | 0.188 | 0.985 | 1.02% | 0.160 | 0.985 | 0 |
THZ(UVE)-LIBS(UVE) | 0.252 | 0.973 | 5.10% | 0.382 | 0.918 | 18.37% |