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IDF

From Wiktionary, the free dictionary

English

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Noun

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IDF (plural IDFs)

  1. (statistics) Initialism of inverse document frequency.
    • 2011, Matthew Russell, Mining the Social Web, page 215:
      A finer point to observe is that the sample implementation provided in Example 7-4 adjusts the IDF score by adding a value of 1.0 to the logarithm calculation, for the purposes of illustration and because we're dealing with a trivial document set.
    • 2014, Manas A. Pathak, Beginning Data Science with R, page 147:
      The idea behind inverse document frequency (IDF) is that all words in the corpus are not equally important.
    • 2019, Hobson Lane, Cole Howard, Hannes Max Hapke, Natural Language Processing In Action [] , Shelter Island: Manning, →ISBN:
      Inverse document frequency, or IDF, is your window through Zipf in topic analysis.

Derived terms

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Proper noun

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IDF

  1. (military) Initialism of Iceland Defense Force.
  2. (military) Initialism of Irish Defence Forces.
  3. (military) Initialism of Israel Defense Forces.
    Synonym: Tsahal
    • 2011 September, Álvaro Uribe, Joseph Ciechanover, and Süleyman Özdem Sanberk, “The Use of Force on the Mavi Marmara”, in Sir Geoffrey Palmer, Report of the Secretary-General's Panel of Inquiry on the 31 May 2010 Flotilla Incident[1], page 57:
      Firearms were taken from IDF personnel and passengers disabled at least one by removing the ammunition from it.
    • 2023 October 9, Ruth Michaelson, Ben Doherty, “Israel ‘going on the offensive’ after retaking territories overrun by Hamas”, in The Guardian[2], →ISSN, archived from the original on 20 January 2025:
      The IDF spokesperson provided no comment on whether it had halted the practice, or the reported use of white phosphorus in Gaza, a densely populated area and home to more than 2 million people.
    • 2025 June 30, Bob Vylan, quotee, Bob Vylan chants "death to the IDF"[3], Islam Channel:
      Alright, but have you heard this one though? Death, death to the IDF!

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Anagrams

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