Class Distribution

The probabilistic distribution used to model term occurrence in information-based models.

This is a Lucene.NET EXPERIMENTAL API, use at your own risk
Inheritance
System.Object
Distribution
DistributionLL
DistributionSPL
Namespace: Lucene.Net.Search.Similarities
Assembly: Lucene.Net.dll
Syntax
public abstract class Distribution : object

Constructors

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Distribution()

Sole constructor. (For invocation by subclass constructors, typically implicit.)

Declaration
public Distribution()

Methods

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Explain(BasicStats, Single, Single)

Explains the score. Returns the name of the model only, since both tfn and lambda are explained elsewhere.

Declaration
public virtual Explanation Explain(BasicStats stats, float tfn, float lambda)
Parameters
Type Name Description
BasicStats stats
System.Single tfn
System.Single lambda
Returns
Type Description
Explanation
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Score(BasicStats, Single, Single)

Computes the score.

Declaration
public abstract float Score(BasicStats stats, float tfn, float lambda)
Parameters
Type Name Description
BasicStats stats
System.Single tfn
System.Single lambda
Returns
Type Description
System.Single
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ToString()

Subclasses must override this method to return the name of the distribution.

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

See Also