Class NormalizationH1

Normalization model that assumes a uniform distribution of the term frequency.

While this model is parameterless in the original article, information-based models (see IBSimilarity) introduced a multiplying factor. The default value for the c parameter is 1.

This is a Lucene.NET EXPERIMENTAL API, use at your own risk
Inheritance
System.Object
Normalization
NormalizationH1
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
Namespace: Lucene.Net.Search.Similarities
Assembly: Lucene.Net.dll
Syntax
public class NormalizationH1 : Normalization

Constructors

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NormalizationH1()

Calls NormalizationH1(1)

Declaration
public NormalizationH1()
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NormalizationH1(Single)

Creates NormalizationH1 with the supplied parameter c.

Declaration
public NormalizationH1(float c)
Parameters
Type Name Description
System.Single c

Hyper-parameter that controls the term frequency normalization with respect to the document length.

Properties

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C

Returns the c parameter.

Declaration
public virtual float C { get; }
Property Value
Type Description
System.Single
See Also

Methods

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Tfn(BasicStats, Single, Single)

Declaration
public override sealed float Tfn(BasicStats stats, float tf, float len)
Parameters
Type Name Description
BasicStats stats
System.Single tf
System.Single len
Returns
Type Description
System.Single
Overrides
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ToString()

Declaration
public override string ToString()
Returns
Type Description
System.String
Overrides