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(TF-IDF) measures the importance of a keyword phrase by comparing it to the frequency of the term in a large set of documents.
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Tf*idf stands for term frequency times inverse document frequency. Tf*idf is a numerical statistic used in information retrieval to represent how important a specific word or phrase is to a given document.
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tf-idf stands for Term frequency-inverse document frequency. The tf-idf weight is a weight often used in information retrieval and text mining
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Tf-Idf stands for Term frequency-inverse document frequency.
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