Table 5 Classification results of the Solar Flare dataset with highly imbalance Ratio
From: How to balance the bioinformatics data: pseudo-negative sampling
Percentage | Classifier | Sen(%) | Spe(%) | Acc(%) | MCC |
|---|---|---|---|---|---|
0 | RF | 1.43 | 99.02 | 94.24 | 0.01 |
| Â | NN | 7.25 | 96.90 | 92.51 | 0.05 |
10 | RF | 4.00 | 99.16 | 94.02 | 0.06 |
| Â | NN | 8.01 | 96.73 | 91.94 | 0.06 |
20 | RF | 13.53 | 99.39 | 94.31 | 0.23 |
| Â | NN | 20.88 | 97.63 | 93.09 | 0.24 |
30 | RF | 25.03 | 99.08 | 94.39 | 0.39 |
| Â | NN | 32.03 | 97.08 | 92.95 | 0.33 |
40 | RF | 20.68 | 98.92 | 93.59 | 0.32 |
| Â | NN | 28.33 | 96.44 | 91.79 | 0.28 |
50 | RF | 32.57 | 98.84 | 93.95 | 0.44 |
| Â | NN | 35.48 | 97.05 | 92.51 | 0.38 |