In the k-means clustering analysis, the silhouette score is calculated ________.
A) when a cluster seed is randomly selected and designated as the initial cluster centroid
B) before the algorithm randomly assigns each observation to one of the k clusters
C) when the analyst decides on k initial subgroups to experiment with
D) after the cluster algorithm has assigned each observation to a cluster

Question

Quizplus · Accepted Answer

The silhouette score is calculated after the cluster algorithm has assigned each observation to a cluster, as it measures how similar an object is to its own cluster compared to other clusters. This requires the clustering process to be completed.

In the K-Means Clustering Analysis, the Silhouette Score Is Calculated