Table 13. Confusion matrix.
| Level | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| (A) Confusion matrix based on GAI | ||||
| 1 | 1 | 0 | 0 | 0 |
| 2 | 0 | 4 | 2 | 0 |
| 3 | 0 | 2 | 6 | 5 |
| 4 | 0 | 0 | 5 | 6 |
| Accuracy | 17/31 = 54.84% | |||
| (B) Confusion matrix based on EID | ||||
| 1 | 1 | 0 | 0 | 0 |
| 2 | 0 | 5 | 1 | 0 |
| 3 | 0 | 1 | 9 | 3 |
| 4 | 0 | 0 | 3 | 8 |
| Accuracy | 23/31 = 74.19% | |||
| (C) Confusion matrix based on GED | ||||
| 1 | 1 | 0 | 0 | 0 |
| 2 | 0 | 5 | 1 | 0 |
| 3 | 0 | 1 | 9 | 4 |
| 4 | 0 | 0 | 4 | 7 |
| Accuracy | 22/31 = 70.97% | |||
| (D) Confusion matrix based on BMI | ||||
| 1 | 1 | 0 | 0 | 0 |
| 2 | 0 | 5 | 1 | 0 |
| 3 | 0 | 1 | 11 | 1 |
| 4 | 0 | 0 | 1 | 10 |
| Accuracy | 27/31 = 87.10% | |||