ca.pfv.spmf.algorithms.associationrules.agrawal94_association_rules

Class AssocRule

java.lang.Object

ca.pfv.spmf.patterns.rule_itemset_array_integer_with_count.Rule

ca.pfv.spmf.algorithms.associationrules.agrawal94_association_rules.AssocRule

public class AssocRule
extends Rule

This class represent an association rule used by the Agrawal algorithm such that it uses the lift mesure. * It is based on: Agrawal & al. 1994, IBM Research Report RJ9839, June 1994.

See Also:

AlgoAgrawalFaster94, AssocRules

Constructor Summary

Constructors

Constructor and Description
AssocRule(int[] itemset1, int[] itemset2, int supportAntecedent, int transactionCount, double confidence, double lift) Constructor

Method Summary

Modifier and Type	Method and Description
double	getLift() Get the lift of this rule.
void	print() Print this rule to System.out.

Methods inherited from class ca.pfv.spmf.patterns.rule_itemset_array_integer_with_count.Rule

getAbsoluteSupport, getConfidence, getCoverage, getItemset1, getItemset2, getRelativeSupport, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

AssocRule

public AssocRule(int[] itemset1,
                 int[] itemset2,
                 int supportAntecedent,
                 int transactionCount,
                 double confidence,
                 double lift)

Constructor

Parameters:

itemset1 - the antecedent of the rule (an itemset)

itemset2 - the consequent of the rule (an itemset)

supportAntecedent - the coverage of the rule (support of the antecedent)

transactionCount - the absolute support of the rule (integer)

confidence - the confidence of the rule

lift - the lift of the rule

Method Detail

getLift

public double getLift()

Get the lift of this rule.

Returns:

the lift.

print

public void print()

Print this rule to System.out.

Overrides:

print in class Rule