easy5 pts · first answer countsclustering

Choosing the number of clusters

Which is a common way to choose the number of clusters k for k-means?

A.Pick the k with the lowest within-cluster error, which is always the largest kB.Use the number of features as kC.Always use k = 2D.Look for an elbow in the error curve or compare silhouette scores

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Choosing the number of clusters

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