Example usage for weka.clusterers XMeans setCutOffFactor

Introduction

In this page you can find the example usage for weka.clusterers XMeans setCutOffFactor.

Prototype

public void setCutOffFactor(double i) 

Source Link

Document

Sets a new cutoff factor.

Usage

From source file:org.montp2.m1decol.ter.clustering.XMeansClustering.java

License:Open Source License

public Clusterer computeClustering(String inPath, String outPath, Properties propertiesCluster)
        throws Exception {
    Instances inputInstances = WekaUtils.loadARFF(inPath);

    EuclideanDistance euclideanDistance = new EuclideanDistance();
    euclideanDistance.setAttributeIndices("first-last");
    euclideanDistance.setDontNormalize(false);
    euclideanDistance.setInvertSelection(false);

    XMeans xmeans = new XMeans();
    xmeans.setMaxIterations(500);/*from   w w w.  ja  v a  2  s  .co  m*/
    xmeans.setSeed(10);
    xmeans.setMinNumClusters(5);
    xmeans.setMaxNumClusters(12);
    xmeans.setMaxKMeans(1000);
    xmeans.setMaxKMeansForChildren(1000);
    xmeans.setBinValue(1.0);
    xmeans.setCutOffFactor(0.5);
    xmeans.setDebugLevel(0);
    xmeans.setMaxIterations(1);
    xmeans.buildClusterer(inputInstances);

    Enumeration<Instance> e = inputInstances.enumerateInstances();
    while (e.hasMoreElements()) {
        Instance ins = e.nextElement();
        int cluster_num = xmeans.clusterInstance(ins);
        System.out.println(ins.toString());
        System.out.println(cluster_num);
    }

    WekaUtils.saveModel(xmeans, outPath);

    return xmeans;
}

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