Research Article
Development of Fast Analytical Method for the Detection and Quantification of Honey Adulteration Using Vibrational Spectroscopy and Chemometrics Tools
Table 2
Performance of the PLS-R and SVM-R models by external validation using FTIR.
| | External validation | | Regression | Preprocessing | R2 | RMSEP |
| | PLS-R (1) | Without preprocessing | 98.7 | 1.11 | | SVM-R (1) | 94.9 | 2.08 |
| | PLS-R (2) | Detrend polynomial degree 1 | 98.3 | 1.05 | | SVM-R (2) | 96.5 | 1.71 |
| | PLS-R (3) | Detrend polynomial degree 2 | 98.3 | 1.09 | | SVM-R (3) | 96.6 | 1.70 |
| | PLS-R (4) | Detrend polynomial degree 3 | 98.3 | 1.25 | | SVM-R (4) | 95.0 | 1.92 |
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