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Alternative kernels classification per test case for the second phase of COVID-19.
| Label separation case | RBF (%) | Polynomial (%) |
|---|---|---|
| Minimal vs. severe | 91.79 | 94.71 |
| Hierarchical classification | ||
| Minimal vs. mild, moderate, and severe | 71.76 | 75.04 |
| Mild vs. moderate and severe | 65.63 | 67.08 |
| Moderate vs. severe | 58.25 | 60.83 |
| Binary classification (GAD score of 10) | 83.91 | 86.83 |
| Four-class classification | 71.08 | 66.11 |
