UGC-NET | UGC-NET CS 2017 Dec 2 | Question 48

Which of the following is not a Clustering method ?
(A) K – Mean method
(B) Self Organizing feature map method
(C) K – nearest neighbor method
(D) Agglomerative method


Answer: (C)

Explanation: k-means clustering is a method of vector quantization, originally from signal processing, that is popular for cluster analysis in data mining.

Self-Organizing Map Self Organizing Map (SOM) provides a data visualization technique. SOM also represents clustering concept by grouping similar data together.

k-nearest neighbors algorithm (k-NN) is a non-parametric method used for classification and regression.

Agglomerative hierarchical clustering is a bottom-up clustering method where clusters have sub-clusters, which in turn have sub-clusters, etc.

Option (C) is correct.

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