Among the following propositions, which ones are true for hierarchical agglomerative clustering (HAC) ?

Question

Among the following propositions, which ones are true for  hierarchical agglomerative clustering (HAC) ?

Accepted Answer

None of the previous propositions is correct.

Answer

We need to choose the  number of clusters  in advance.

Answer

This approach is suitable (eventually with a variant) for  large datasets .

Answer

If we run the algorithm  twice , the result can be  different .

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