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Overall performance of classification algorithms.
| Models | Total cocoa bean samples | PCs | Identification rate (%) | ||
|---|---|---|---|---|---|
| Calibration set | Prediction set | Calibration set | Prediction set | ||
| RF | 182 | 78 | 9 | 96.15 | 98.08 |
| KNN | 182 | 78 | 5 | 91.35 | 92.31 |
| LDA | 182 | 78 | 5 | 90.38 | 98.08 |
| PLS-DA | 182 | 78 | 5 | 100.00 | 100.00 |
