December 2018
Intermediate to advanced
274 pages
7h 46m
English
Content preview from Machine Learning for Mobile
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TF
This measures how frequently a term occurs in a document. Since every document is a different length, it is possible that a term would appear more in long documents than shorter ones. Thus, the TF is often divided by the document length to normalize it: TF(t) = (Number of times term t appears in a document(D))/(Total number of terms in the document(N)).
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