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