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Questions and Answers
What is the process referred to as when leveraging the correlations in a document-term matrix to create a low-dimensional representation of the data?
dimensionality reduction
What can almost all dimensionality reductions of this type be expressed as?
low-rank factorizations of the document-term matrix
How many words are in the toy corpus lexicon?
seven
What are the first three words in the lexicon related to?
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What is the term used to describe a word with multiple meanings?
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