Table 2. Values of the validity indices by different number of clusters for SDS1.
| c | XB | TS | PBMF | MPC |
|---|---|---|---|---|
| 2 | 0.1167624 | 8.043394 | 0.09970858 | 0.8583530 |
| 3 | 0.1385422 | 8.044566 | 1.87827975 | 0.8379177 |
| 4 | 0.1853725 | 8.732699 | 0.01513389 | 0.8392733 |
| 5 | 0.1059272 | 6.024347 | 0.95398914 | 0.8742973 |
| 6 | 1.4147905 | 10.132927 | 0.06037724 | 0.7632591 |