Table 1 Pesticide varieties identification results for day 1 to day 5 by the FW-PLSDA model.
Time | Concentrations (mg/L) | Latent variables (LVs) | Calibration set (80) | Prediction set (40) | |||
|---|---|---|---|---|---|---|---|
rc | RMSEC | rp | RMSEP | CCR | |||
Day 1 | 0.6 | 10 | 0.994 | 0.123 | 0.992 | 0.179 | 87.5% |
3 | 10 | 0.994 | 0.130 | 0.985 | 0.374 | 32.5% | |
15 | 9 | 0.967 | 0.283 | 0.963 | 0.315 | 65.0% | |
average | 61.7% | ||||||
Day 2 | 0.6 | 7 | 0.982 | 0.213 | 0.966 | 0.290 | 65.0% |
3 | 7 | 0.986 | 0.185 | 0.966 | 0.360 | 60.0% | |
15 | 11 | 0.991 | 0.148 | 0.981 | 0.279 | 65.0% | |
average | 63.3% | ||||||
Day 3 | 0.6 | 9 | 0.985 | 0.195 | 0.971 | 0.295 | 67.5% |
3 | 9 | 0.990 | 0.160 | 0.972 | 0.368 | 60.0% | |
15 | 7 | 0.986 | 0.188 | 0.966 | 0.292 | 67.5% | |
average | 65.0% | ||||||
Day 4 | 0.6 | 10 | 0.989 | 0.163 | 0.982 | 0.215 | 82.5% |
3 | 6 | 0.987 | 0.180 | 0.988 | 0.178 | 90.0% | |
15 | 8 | 0.991 | 0.150 | 0.990 | 0.165 | 90.0% | |
average | 87.5% | ||||||
Day 5 | 0.6 | 5 | 0.987 | 0.181 | 0.978 | 0.231 | 77.5% |
3 | 8 | 0.988 | 0.173 | 0.981 | 0.219 | 80.0% | |
15 | 5 | 0.991 | 0.150 | 0.992 | 0.983 | 92.5% | |
average | 83.3% | ||||||
Average of 5 days | 72.2% | ||||||
