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Packages 169

JRuby

org.apache.lucene.search.similarities 47

C AfterEffect

C AfterEffectB

C AfterEffectL

C Axiomatic

C AxiomaticF1EXP

C AxiomaticF1LOG

C AxiomaticF2EXP

C AxiomaticF2LOG

C AxiomaticF3EXP

C AxiomaticF3LOG

C BM25Similarity

C BasicModel

C BasicModelG

C BasicModelIF

C BasicModelIn

C BasicModelIne

C BasicStats

C BooleanSimilarity

C ClassicSimilarity

C DFISimilarity

C DFRSimilarity

C Distribution

C DistributionLL

C DistributionSPL

C IBSimilarity

C Independence

C IndependenceChiSquared

C IndependenceSaturated

C IndependenceStandardized

C IndriDirichletSimilarity

C LMDirichletSimilarity

C LMJelinekMercerSimilarity

C LMSimilarity

C Lambda

C LambdaDF

C LambdaTTF

C MultiSimilarity

C Normalization

C NormalizationH1

C NormalizationH2

C NormalizationH3

C NormalizationZ

C PerFieldSimilarityWrapper

C RawTFSimilarity

C Similarity

C SimilarityBase

C TFIDFSimilarity

IndependenceChiSquared — members 3

C new()

M score(freq, expected) double

M to_string() String

org.apache.lucene.search.similarities.IndependenceChiSquared

class extends Independence 3 members

Normalized chi-squared measure of distance from independence

Described as: "can be used for tasks that require high precision, against both short and long queries."

Constructors

new

new ( )

Java: <init>()

Sole constructor.

Instance Methods

score

double score ( double freq, double expected )

Java: score(double freq, double expected)

to_string

String to_string ( )

Java: toString()