(Choose 1 answer)
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?
1.Keyword Normalization
2.Latent Semantic Indexing
3.Latent Dirichlet Allocation
A. only 1
B. 2, 3
C. 1,3
D. 1, 2, 3
Q: 27
