machinelearningproject.DecisionTree.java Source code

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Here is the source code for machinelearningproject.DecisionTree.java

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/*
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package machinelearningproject;

import java.io.Serializable;
import weka.classifiers.AbstractClassifier;
import weka.core.Instance;
import weka.core.Instances;

/**
 *
 * @author Raches
 */
public class DecisionTree extends AbstractClassifier implements Serializable {

    public Tree mainTree;

    public DecisionTree() {
        mainTree = new Tree();
    }

    @Override
    public void buildClassifier(Instances i) throws Exception {
        mainTree = mainTree.buildTree(i);
    }

    @Override
    public double classifyInstance(Instance instance) throws Exception {
        String classification = mainTree.traverseTree(instance);
        double result = 0.0;
        for (int i = 0; i < instance.numClasses(); i++) {
            if (classification.equals(instance.attribute(instance.classIndex()).value(i))) {
                result = (double) i;
            }
        }
        return result;
    }
}