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	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	Description
protected final Lambda	IBSimilarity.lambda	The lambda (λw) parameter.

Methods in org.apache.lucene.search.similarities that return Lambda

Modifier and Type	Method	Description
Lambda	IBSimilarity.getLambda()	Returns the distribution's lambda parameter

Constructors in org.apache.lucene.search.similarities with parameters of type Lambda

Modifier	Constructor	Description
	IBSimilarity(Distribution distribution, Lambda lambda, Normalization normalization)	Creates IBSimilarity from the three components and using default discountOverlaps value.
	IBSimilarity(Distribution distribution, Lambda lambda, Normalization normalization, boolean discountOverlaps)	Creates IBSimilarity from the three components and with the specified discountOverlaps value.