Example usage for org.apache.mahout.clustering.kmeans KMeansDriver KMeansDriver

Introduction

In this page you can find the example usage for org.apache.mahout.clustering.kmeans KMeansDriver KMeansDriver.

Prototype

KMeansDriver

Source Link

Usage

From source file:com.modofo.molo.cluster.Clusterer.java

License:Apache License

public void cluster(String topicId) {
    String pointsPath = sampleDir + "/" + topicId + "/points.txt";
    String clustersPath = sampleDir + "/" + topicId + "/clusters.txt";
    String outputDir = tempDir + "/" + topicId;
    KMeansDriver kd = new KMeansDriver();
    String[] args = { "-i", pointsPath, "--clusters", clustersPath, "-o", outputDir, "--distanceMeasure",
            EuclideanDistanceMeasure.class.getName(), "--convergenceDelta", "0.001", "--maxIter", "2",
            "--clustering", "--overwrite", "--method", "sequential" // mapreduce
    };//from ww w.j  av  a 2  s  .  c  o  m

    try {
        kd.run(args);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:com.modofo.molo.cluster.Clusterer.java

License:Apache License

public void run(String topicId) {
    String inputDir = this.tempDir + "/" + topicId + "/" + topicId + "-vectors/tfidf-vectors";
    String clusterDir = this.tempDir + "/" + topicId + "-clusters";
    String outputDir = this.tempDir + "/" + topicId + "/cluster";
    String[] args = { "-i", inputDir, "-c", clusterDir, "-o", outputDir, "-dm",
            org.apache.mahout.common.distance.CosineDistanceMeasure.class.getName(), "-cd", "0.1", "-x", "10",
            "-k", "20", "-ow" };
    try {// w  w  w .ja v a 2 s  .c om
        KMeansDriver kd = new KMeansDriver();
        kd.setConf(new Configuration());
        kd.run(args);
    } catch (Exception e) {
        e.printStackTrace();
    }

}

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From source file:root.benchmark.kmeans.KMeansJob.java

License:Apache License

/**
 * {@inheritDoc}//ww  w.  j  a va 2s. c om
 */
@Override
public int run(String[] args) throws Exception {

    constructParameterList();
    for (String str : args) {
        System.out.println(str);
    }

    if (parseArguments(args) == null) {
        return -1;
    }

    initializeConfigurationParameters();

    printJobHeader();

    Configuration conf = getConf();

    URI inputURI = new URI(inputDirectory);

    FileSystem fs = FileSystem.get(inputURI, conf);

    Path input = new Path(inputDirectory);
    if (!fs.exists(input)) {
        System.err.println("Input Directory does not exist.");
        System.exit(2);
    }

    ToolRunner.run(conf, new KMeansDriver(), kmeansArgs);

    return 0;
}

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