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Discriminant accuracies of tobacco leaves at different spatial scales using the OPLS-DA model.
| Scales | Date | Discriminant attribution | Discriminant accuracy |
|---|---|---|---|
| Provincial scale |
YN | 81/84 | 96.4% |
| GZ | 52/52 | 100% | |
| SC | 40/40 | 100% | |
| Total | 173/176 | 98.3% | |
| Municipal scale | YNPE | 18/18 | 100% |
| YNQJ | 21/22 | 95.5% | |
| YNYX | 10/10 | 100% | |
| YNWS | 17/18 | 94.4% | |
| YNCX | 16/16 | 100% | |
| Total | 82/84 | 97.6% |
