TanimotoCoefficientSimilarity ClassNReco.Recommender Class Library
An implementation of a "similarity" based on the Tanimoto coefficient, or extended Jaccard coefficient.
Inheritance Hierarchy
System.Object
  NReco.CF.Taste.Impl.Similarity.AbstractItemSimilarity
    NReco.CF.Taste.Impl.Similarity.TanimotoCoefficientSimilarity

Namespace: NReco.CF.Taste.Impl.Similarity
Assembly: NReco.Recommender (in NReco.Recommender.dll) Version: 1.0.0.0 (1.0.0.0)
Syntax
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public sealed class TanimotoCoefficientSimilarity : AbstractItemSimilarity, 
	IUserSimilarity, IRefreshable

The TanimotoCoefficientSimilarity type exposes the following members.

Constructors
  NameDescription
Public methodTanimotoCoefficientSimilarity
Initializes a new instance of the TanimotoCoefficientSimilarity class
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Methods
  NameDescription
Public methodAllSimilarItemIDs (Inherited from AbstractItemSimilarity.)
Public methodEquals
Determines whether the specified Object is equal to the current Object.
(Inherited from Object.)
Public methodGetHashCode
Serves as a hash function for a particular type.
(Inherited from Object.)
Public methodGetType
Gets the Type of the current instance.
(Inherited from Object.)
Public methodItemSimilarities (Overrides AbstractItemSimilarity.ItemSimilarities(Int64,Int64[]).)
Public methodItemSimilarity (Overrides AbstractItemSimilarity.ItemSimilarity(Int64, Int64).)
Public methodRefresh
Public methodSetPreferenceInferrer
Public methodToString (Overrides Object.ToString().)
Public methodUserSimilarity
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Remarks

This is intended for "binary" data sets where a user either expresses a generic "yes" preference for an item or has no preference. The actual preference values do not matter here, only their presence or absence.

The value returned is in [0,1].

See Also
NReco.CF.Taste.Impl.Similarity Namespace