Table 1.
No. of clusters | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
---|---|---|---|---|---|---|---|---|---|
Random initial | 0.2915 | 0.5741 | 0.6636 | 0.7549 | 0.9787 | 0.9516 | 0.8862 | 0.826 | 0.7944 |
k-means initial | 0.2915 | 0.4875 | 0.6741 | 0.7168 | 0.7732 | 0.7668 | 0.7666 | 0.7739 | 0.753 |
k-means | 0.2915 | 0.5099 | 0.6352 | 0.7047 | 0.8001 | 0.7635 | 0.8189 | 0.7849 | 0.7827 |