ml

Silhouette Score

Per-point and per-cluster silhouette scores from (x, y, cluster_id) data — horizontal bar plot sorted by cluster, negative scores flagged in red.

Data (x, y, cluster_id — one point per line)
Overall Score
Mean silhouette0.8954
InterpretationStrong structure
Points11
Clusters3
Per-Cluster Means
Cluster 0 (n=4)0.8758
Cluster 1 (n=4)0.9049
Cluster 2 (n=3)0.9087
a(i) = mean intra-cluster dist  ·  b(i) = min inter-cluster mean dist  ·  s(i) = (b−a) / max(a,b)
Silhouette Plot (sorted by cluster then score)
mean=0.895-1-0.500.51Silhouette coefficientC0C1C2
▋ C0▋ C1▋ C2▋ negative score--- mean
Score Reference
> 0.7Strong structure
0.5 – 0.7Reasonable structure
0.25 – 0.5Weak structure
< 0.25No substantial structure