[R] cosine similarity tf-idf

Indhira, Anusha Anusha.Indhira at controlsdata.com
Fri Oct 28 12:21:08 CEST 2016


Hi,

To find similar documents in a Corpus using cosine similarity, Is it necessary to calculate tf-idf weights while creating term document matrix or just term frequency is fine? Can anyone let me know what are advantages and disadvantages for both ways?

Thanks,
Anusha

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