Example usage for weka.associations LabeledItemSet generateRules

Introduction

In this page you can find the example usage for weka.associations LabeledItemSet generateRules.

Prototype

public final ArrayList<Object>[] generateRules(double minConfidence, boolean noPrune) 

Source Link

Document

Generates rules out of item sets

Usage

From source file:cba.Apriori.java

License:Open Source License

/** 
 * Method that finds all class association rules.
 *
 * @throws Exception if an attribute is numeric
 *//* w w w .  j a v a2s.c o m*/
private void findCarRulesQuickly() throws Exception {

    FastVector[] rules;

    // Build rules
    for (int j = 0; j < m_Ls.size(); j++) {
        FastVector currentLabeledItemSets = (FastVector) m_Ls.elementAt(j);
        Enumeration enumLabeledItemSets = currentLabeledItemSets.elements();
        while (enumLabeledItemSets.hasMoreElements()) {
            LabeledItemSet currentLabeledItemSet = (LabeledItemSet) enumLabeledItemSets.nextElement();
            rules = currentLabeledItemSet.generateRules(m_minMetric, false);
            for (int k = 0; k < rules[0].size(); k++) {
                m_allTheRules[0].addElement(rules[0].elementAt(k));
                m_allTheRules[1].addElement(rules[1].elementAt(k));
                m_allTheRules[2].addElement(rules[2].elementAt(k));
            }
        }
    }
}

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