Table 3 Data efficiency of the STSS algorithm.
From: Self-training in significance space of support vectors for imbalanced biomedical event data
Class label | Original training dataset | STSS training dataset (Ds) | ||
|---|---|---|---|---|
| Â | Number of instances | Imbalance ratio | Number of instances | Imbalance ratio |
AtLoc | Pos: 48 Neg: 3661527 | 1:76282 | Pos: 48 Neg: 128761 | 1:2682 |
Cause | Pos: 1117 Neg: 366045 | 1:3277 | Pos: 1117 Neg: 27505 | 1:24 |
Cause-Theme | Pos: 6 Neg: 3661521 | 1:610261 | Pos: 6 Neg: 6000 | 1:1000 |
Site | Pos: 425 Neg: 36661150 | 1:8614 | Pos: 425 Neg: 36627 | 1:86 |
Theme | Pos: 9246 Neg: 3652329 | 1:395 | Pos: 9246 Neg: 30915 | 1:3 |
ToLoc | Pos: 50 Neg: 3661525 | 1:73231 | Pos: 50 Neg: 167120 | 1:3342 |