Table 2.
Confusion matrix of the best feature subset for classification.
| BI-RADS categories | Predicted | |||
|---|---|---|---|---|
| Actual | B-2 | B-3 | B-4 | B-5 |
| B-2 | 47 | 2 | 1 | 0 |
| B-3 | 3 | 41 | 4 | 2 |
| B-4 | 2 | 5 | 36 | 7 |
| B-5 | 0 | 3 | 2 | 45 |
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