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Question

What is the purpose of the latent factors weight matrix Λ in LSA?

a.

To provide a conceptual characterization of each document

b.

To relate the raw words found in the document to hypothetical latent concepts

c.

To capture the term covariance across documents

d.

To assign weights to the identified latent concepts for the entire corpus

Posted under Big Data Computing

Answer: (d).To assign weights to the identified latent concepts for the entire corpus Explanation:The purpose of the latent factors weight matrix Λ in LSA is to assign weights to the identified latent concepts for the entire corpus.

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Q. What is the purpose of the latent factors weight matrix Λ in LSA?

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