Research Article
A Reliable Method for Identification of Antibiotics by Terahertz Spectroscopy and SVM
Table 3
Identification results of all chemometric methods.
| Chemometric method | Features selection method | Mean accuracy in calibration set (%) | Mean accuracy in prediction set (%) | Training time (s) |
| GS-SVM | No | 99.15 | 98.19 | 96.61 | PCA | 99.48 | 99.71 | 19.77 | t-SNE | 99.85 | 99.79 | 22.76 |
| GA-SVM | No | 99.34 | 99.14 | 118.29 | PCA | 99.64 | 99.76 | 28.79 | t-SNE | 99.90 | 99.81 | 55.83 |
| PSO-SVM | No | 99.77 | 99.68 | 243.59 | PCA | 99.81 | 99.67 | 47.04 | t-SNE | 99.82 | 99.91 | 53.26 |
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