Answer :
A clustering method uses an iterative relocation technique that attempts to improve the partitioning by moving objects from one group to another.
What is clustering method?
A method for locating groups of related data in a dataset is called clustering. It ranks among the most popular data science techniques. Comparatively speaking, each group's entities are more similar to one another than they are to those of the other groups.
The process of gathering unlabelled samples is called clustering. Because the instances are unlabelled, clustering is done via unsupervised machine learning.
Thus, it is clustering and partitioning.
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