The two clusters formed by the unsupervised learning algorithm P-index
| Case no. (NR) | Cluster ID | Case no. (R) | Cluster ID |
|---|---|---|---|
| NR, non-recurrent group; R, recurrent group. | |||
| 1 | 1 | 11 | 1 |
| 2 | 1 | 12 | 2 |
| 3 | 2 | 13 | 2 |
| 4 | 1 | 14 | 2 |
| 5 | 1 | 15 | 2 |
| 6 | 1 | 16 | 2 |
| 7 | 1 | 17 | 2 |
| 8 | 1 | 18 | 2 |
| 9 | 1 | 19 | 1 |
| 10 | 1 | 20 | 1 |