Table 2.
Classification results based on different machine learning models. Compared with other methods, SVM shows the best performance. Note: The pneumonia negative group includes 30 normal adults and 11 cases of fever without pneumonia. The pneumonia positive group comprised of 19 cases of general pneumonia and 9 cases of COVID-19.
| Classification Accuracy |
|||
|---|---|---|---|
| Norm vs. Pneu Pos | Pneu Pos vs. Pneu Neg | Norm vs. Fever vs. Pneu Pos | |
| SVM | 93% | 86% | 81% |
| KNN | 91% | 78% | 68% |
| Decision tree | 93% | 78% | 70% |
| Gaussian NB | 90% | 83% | 75% |
| LDA | 86% | 71% | 67% |
| QDA | 85% | 75% | 65% |