Table 2.
Confusion matrix.
| Confusion matrix | Predicted | ||||
|---|---|---|---|---|---|
| Stage 1 | Stage 2 | Stage 3 | Stage 4 | ||
| Ground truth | Stage 1 | 8 | 2 | 1 | 0 |
| Stage 2 | 0 | 36 | 0 | 0 | |
| Stage 3 | 0 | 2 | 34 | 2 | |
| Stage 4 | 0 | 0 | 2 | 34 | |
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