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Which of the following is required by K-means clustering?

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Which of the following is required by K-means clustering?

(a) defined distance metric

(b) number of clusters

(c) initial guess as to cluster centroids

(d) all of the mentioned

This question was addressed to me in an online interview.

My doubt stems from Clustering in division Data Analysis and Research of Data Science

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The correct option is (d) all of the mentioned

The explanation: K-means clustering follows partitioning approach.

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