Lucene.Net 1.9.1 Class Library

DefaultSimilarity.Idf Method (Int32, Int32)

Implemented as

log(numDocs/(docFreq+1)) + 1
.

public override float Idf(
   int docFreq,
   int numDocs
);

See Also

DefaultSimilarity Class | Lucene.Net.Search Namespace | DefaultSimilarity.Idf Overload List