While drawing graphs that compare the silhouette measure of different clustering algorithms, what unit should I specify for the silhouette width?
- Anybody can ask a question
- Anybody can answer
- The best answers are voted up and rise to the top
Don't use the Silhouette measure for arbitrary clustering algorithms. In particular, don't use it for clustering algorithms which can produce non-convex clusters.
On data sets such as this:
the silhouette may be misleading.
The silhouette coefficient and silhouette plots are meant to compare different results of the same, convex, clustering algorithm (e.g. k-means).