Question: Which statement is CORRECT about clustering methods? Data mining projects rarely use clustering as a preliminary step. We can define and measure clustering accuracy on

Which statement is CORRECT about clustering methods?
Data mining projects rarely use clustering as a preliminary step.
We can define and measure clustering accuracy on a unlabeled testing dataset.
In a clustering output, each data record belongs to one and only one of the clusters.
Which statement is CORRECT about clustering methods? Data mining projects rarely

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