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Question

How is the overall number of topics for a given LDA analysis determined?

a.

It is based on a corpus level prior distribution.

b.

It must be specified in advance.

c.

It is a dynamic value that changes during analysis.

d.

It depends on the hyperparameter vector.

Posted under Big Data Computing

Answer: (b).It must be specified in advance. Explanation:The overall number of topics for a given LDA analysis must be specified in advance.

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Q. How is the overall number of topics for a given LDA analysis determined?

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