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mnoGoSearch 3.3.12 reference manual: Full-featured search engine software
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IDFFactor

Name

IDFFactor -- changes the effect of inverse document frequency

search.htm

Synopsis

IDFFactor {number}

The number parameter is a number in the range 0..255 defining the effect of the inverse word frequency (IDF), which diminishes the weight of words that occur very frequently in the document collection (such as the, a, etc) and increases the weight of words that occur rarely.

The default value is 255.

Please have a look into TF-IDF page at Wikipediato get more information about IDF.

Examples


IDFFactor 40
      

See also

DocSizeWeight MinCoordFactor NumDistinctWordFactor NumWordFactor WordFormFactor