Research Article
Cost-Sensitive Approach to Improve the HTTP Traffic Detection Performance on Imbalanced Data
Table 4
The performance metrics when the HM-loss’s hyperparameters are assigned different values.
| Alpha | Gamma | Precision | Recall | f1-score |
| 1.1 | 1 | 0.89 | 0.71 | 0.79 | 1.1 | 3 | 0.89 | 0.67 | 0.76 | 1.1 | 5 | 0.91 | 0.76 | 0.83 | 1.3 | 1 | 0.91 | 0.75 | 0.82 | 1.3 | 3 | 0.90 | 0.84 | 0.87 | 1.3 | 5 | 0.90 | 0.8 | 0.85 | 1.4 | 1 | 0.87 | 0.81 | 0.84 | 1.4 | 3 | 0.84 | 0.83 | 0.83 | 1.4 | 5 | 0.88 | 0.8 | 0.84 | Pi/2 | 1 | 0.86 | 0.82 | 0.84 | Pi/2 | 3 | 0.82 | 0.79 | 0.8 | Pi/2 | 5 | 0.86 | 0.83 | 0.84 |
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