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You created a document term matrix on the input data of 20K documents for a

Machine learning model. Which of the following can be used to reduce the

dimensions of data?

Steve Nouri https://www.linkedin.com/in/stevenouri/

1. Keyword Normalization

2. Latent Semantic Indexing

3. Latent Dirichlet Allocation

a. only 1

b. 2, 3

c. 1, 3

d. 1, 2, 3

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Answer : d)

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