Class Klosgen
- java.lang.Object
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- elki.itemsetmining.associationrules.interest.Klosgen
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- All Implemented Interfaces:
InterestingnessMeasure
@Reference(authors="W. Kl\u00f6sgen", title="Explora: A multipattern and multistrategy discovery assistant", booktitle="Advances in Knowledge Discovery and Data Mining", bibkey="DBLP:books/mit/fayyadPSU96/Klosgen96") public class Klosgen extends java.lang.Object implements InterestingnessMeasure
Klösgen interestingness measure.\[ \sqrt{\text{support}(X\cup Y)} \left(\text{confidence}(X \rightarrow Y) - \text{support}(Y)\right) = \sqrt{P(X\cap Y)}\left(P(Y|X)-P(Y)\right) \]
Reference:
W. Klösgen
Explora: A multipattern and multistrategy discovery assistant
Advances in Knowledge Discovery and Data Mining- Since:
- 0.7.5
- Author:
- Frederic Sautter
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Constructor Summary
Constructors Constructor Description Klosgen()
Constructor.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description double
measure(int t, int sX, int sY, int sXY)
Computes the value of the measure for a given support values
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Method Detail
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measure
public double measure(int t, int sX, int sY, int sXY)
Description copied from interface:InterestingnessMeasure
Computes the value of the measure for a given support values- Specified by:
measure
in interfaceInterestingnessMeasure
- Parameters:
t
- Total number of transactionsX
- Support of the antecedentsY
- Support of the consequentsXY
- Support of the union of antecedent and consequent- Returns:
- value of the measure
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