de.lmu.ifi.dbs.elki.algorithm.itemsetmining.associationrules.interest

Interface InterestingnessMeasure

All Known Implementing Classes:

AddedValue, CertaintyFactor, Confidence, Conviction, Cosine, GiniIndex, Jaccard, JMeasure, Klosgen, Leverage, Lift

public interface InterestingnessMeasure

Interface for interestingness measures.

Since:

0.7.5

Author:

Frederic Sautter

Method Summary

Modifier and Type	Method and Description
double	measure(int t, int sX, int sY, int sXY) Computes the value of the measure for a given support values

Method Detail

measure

double measure(int t,
               int sX,
               int sY,
               int sXY)

Computes the value of the measure for a given support values

Parameters:

t - Total number of transaction

sX - Support of the antecedent

sY - Support of the consequent

sXY - Support of the union of antecedent and consequent

Returns:

value of the measure