Table 7.
Results of independent testing our SVM on PPIs of new hosts with viruses.
| Host | Sn (%) | Sp (%) | Acc (%) | PPV (%) | NPV (%) | MCC | AUC |
|---|---|---|---|---|---|---|---|
| Mus musculus | 85.86 | 61.78 | 73.82 | 69.20 | 81.38 | 0.491 | 0.887 |
| Bos taurus | 98.40 | 27.20 | 62.80 | 57.48 | 94.44 | 0.365 | 0.926 |
| Rattus norvegicus | 91.86 | 27.90 | 59.88 | 56.03 | 77.42 | 0.257 | 0.828 |
| Sus scrofa | 100.00 | 5.26 | 52.63 | 51.35 | 100.00 | 0.164 | 0.952 |
| Escherichia coli K-12 | 94.87 | 91.03 | 92.95 | 91.36 | 94.67 | 0.860 | 0.959 |
| Average | 92.02 | 54.23 | 73.13 | 67.80 | 86.86 | 0.501 | 0.911 |
Sn: sensitivity, Sp: specificity, Acc: accuracy, PPV: positive predictive value, NPV: negative predictive value, MCC: Matthews correlation coefficient, and AUC: the area under the ROC curve.