Under-sampling | SVM | MyC | RIPPER | C4.5 | Imbalance | ||||
---|---|---|---|---|---|---|---|---|---|
(%) | Sens. | Spec. | Sens. | Spec. | Sens. | Spec. | Sens. | Spec. | ratio |
0 | 0.89 | 0.77 | 0.92 | 0.68 | 0.91 | 0.71 | 0.90 | 0.79 | 42 |
10 | 0.89 | 0.76 | 0.93 | 0.65 | 0.91 | 0.75 | 0.90 | 0.80 | 38 |
20 | 0.89 | 0.75 | 0.93 | 0.63 | 0.91 | 0.73 | 0.91 | 0.79 | 34 |
30 | 0.89 | 0.76 | 0.94 | 0.61 | 0.93 | 0.72 | 0.90 | 0.78 | 30 |
40 | 0.89 | 0.73 | 0.93 | 0.60 | 0.92 | 0.69 | 0.91 | 0.77 | 25 |
50 | 0.90 | 0.70 | 0.93 | 0.58 | 0.92 | 0.71 | 0.91 | 0.76 | 21 |
60 | 0.90 | 0.71 | 0.94 | 0.56 | 0.92 | 0.72 | 0.92 | 0.73 | 17 |
70 | 0.91 | 0.67 | 0.95 | 0.55 | 0.91 | 0.72 | 0.92 | 0.70 | 13 |
80 | 0.92 | 0.64 | 0.94 | 0.49 | 0.92 | 0.73 | 0.92 | 0.68 | 9 |
90 | 0.94 | 0.52 | 0.91 | 0.60 | 0.93 | 0.67 | 0.93 | 0.59 | 5 |
100 | 0.99 | 0.12 | 0.99 | 0.07 | 0.99 | 0.03 | 0.99 | 0.14 | 0.5 |