I have 2 clustering chooses as mentionned below,
- Nr of cluster 15 : CCC = 69.99 (OPTIMAL)
- Nr of cluster 15 : CCC = -92.87
- Nr of cluster 15 : CCC = -112.8
The first one with CCC = 69.99 is mentionned as the best optimal. I don't understand why this one is the best by consedering the different values ?. What is the signification of these values ?