Inverse Document Frequency

Creator
Creator
Seonglae Cho
Created
Created
2025 Jan 15 15:30
Editor
Edited
Edited
2025 Jan 15 15:31
Refs

1972

IDFt=log10(N/nt)IDF_t = log_{10}(N/n_t)
  • N=N= number of document in collection
  • nt=n_t = number of documents in which term tt appears
 
 
 
 
 
 
 

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