Number of clusters (K) | F (U) | Dc (U) |
2 | 0.3333 | 0.9998 |
3 | 0.2500 | 1.0122 |
4 | 0.2000 | 1.0131 |
5 | 0.1667 | 1.0134 |
6 | 0.1429 | 1.0136 |
7 | 0.1250 | 1.0137 |
8 | 0.3333 | 0.9998 |