## Uses of Class
org.apache.lucene.search.similarities.Lambda

- Packages that use Lambda
  Package | Description
  --- | ---
  org.apache.lucene.search.similarities | This package contains the various ranking models that can be used in Lucene.

- - ### Uses of Lambda in org.apache.lucene.search.similarities

    Subclasses of Lambda in org.apache.lucene.search.similarities
    Modifier and Type | Class and Description
    --- | ---
    `class` | `LambdaDF` Computes lambda as `docFreq+1 / numberOfDocuments+1`.
    `class` | `LambdaTTF` Computes lambda as `totalTermFreq+1 / numberOfDocuments+1`.

    Fields in org.apache.lucene.search.similarities declared as Lambda
    Modifier and Type | Field and Description
    --- | ---
    `protected Lambda` | IBSimilarity.`lambda` The lambda (λw) parameter.

    Methods in org.apache.lucene.search.similarities that return Lambda
    Modifier and Type | Method and Description
    --- | ---
    `Lambda` | IBSimilarity.`getLambda()` Returns the distribution's lambda parameter

    Constructors in org.apache.lucene.search.similarities with parameters of type Lambda
    Constructor and Description
    `IBSimilarity(Distribution distribution, Lambda lambda, Normalization normalization)` Creates IBSimilarity from the three components.

Copyright © 2000-2013 Apache Software Foundation. All Rights Reserved.