Clustering

Clustering

1. is to group similar (homogeneous) objects into the same cluster and dissimilar (heterogeneous) objects into different clusters on the basis of distances among these objects.

2. Clustering is an exploratory technique that attempts to discover natural groupings in data.

3. variables X1 and X 2

   • Known as the clustering criteria
     • Because they form the basis for clustering the points.
     • common to use between five to fifteen variables as clustering criteria.

4. output of a clustering method/model is known as

   • the clustering solution

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