Silhouette Coefficient

What is Silhouette Coefficient?

A metric used to calculate the goodness of a clustering technique. It measures how similar an object is to its own cluster (cohesion) compared to other clusters (separation).

Where did the term "Silhouette Coefficient" come from?

Internal validation metric.

How is "Silhouette Coefficient" used today?

Used to automatically select the best 'k'.

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