Package org.apache.mahout.clustering

Examples of org.apache.mahout.clustering.Cluster.asFormatString()

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    for (Cluster[] r : result) {
      models.append("sample[").append(row++).append("]= ");
      for (int k = 0; k < r.length; k++) {
        Cluster model = r[k];
        if (model.count() > significant) {
          models.append('m').append(k).append(model.asFormatString(null)).append(", ");
        }
      }
      models.append('\n');
    }
    models.append('\n');
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    for (Cluster[] r : result) {
      models.append("sample[").append(row++).append("]= ");
      for (int k = 0; k < r.length; k++) {
        Cluster model = r[k];
        if (model.count() > significant) {
          models.append('m').append(k).append(model.asFormatString(null)).append(", ");
        }
      }
      models.append('\n');
    }
    models.append('\n');
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        try {
          Writable key = reader.getKeyClass().asSubclass(Writable.class).newInstance();
          Writable value = reader.getValueClass().asSubclass(Writable.class).newInstance();
          while (reader.next(key, value)) {
            Cluster cluster = (Cluster) value;
            String fmtStr = useJSON ? cluster.asJsonString() : cluster.asFormatString(dictionary);
            if (subString > 0 && fmtStr.length() > subString) {
              writer.write(':');
              writer.write(fmtStr, 0, Math.min(subString, fmtStr.length()));
            } else {
              writer.write(fmtStr);
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  }
 
  @Override
  public void write(ClusterWritable clusterWritable) throws IOException {
    Cluster cluster = clusterWritable.getValue();
    String fmtStr = cluster.asFormatString(dictionary);
    Writer writer = getWriter();
    if (subString > 0 && fmtStr.length() > subString) {
      writer.write(':');
      writer.write(fmtStr, 0, Math.min(subString, fmtStr.length()));
    } else {
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    StringBuilder models = new StringBuilder(100);
    for (List<Cluster> r : result) {
      models.append("sample[").append(row++).append("]= ");
      for (int k = 0; k < r.size(); k++) {
        Cluster model = r.get(k);
        models.append('m').append(k).append(model.asFormatString(null)).append(", ");
      }
      models.append('\n');
    }
    models.append('\n');
    System.out.println(models.toString());
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    for (Cluster[] r : result) {
      models.append("sample[").append(row++).append("]= ");
      for (int k = 0; k < r.length; k++) {
        Cluster model = r[k];
        if (model.count() > significant) {
          models.append('m').append(k).append(model.asFormatString(null)).append(", ");
        }
      }
      models.append('\n');
    }
    models.append('\n');
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        .getCenter(), dictionary, numTopFeatures);
    res.put("top_terms", topTerms);

    // get human-readable cluster representation
    Cluster cluster = clusterWritable.getValue();
    String fmtStr = cluster.asFormatString(dictionary);
    res.put("cluster_id", cluster.getId());
    res.put("cluster", fmtStr);

    // get points
    List<Object> points = getPoints(cluster, dictionary);
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  }
 
  @Override
  public void write(ClusterWritable clusterWritable) throws IOException {
    Cluster cluster = clusterWritable.getValue();
    String fmtStr = cluster.asFormatString(dictionary);
    Writer writer = getWriter();
    if (subString > 0 && fmtStr.length() > subString) {
      writer.write(':');
      writer.write(fmtStr, 0, Math.min(subString, fmtStr.length()));
    } else {
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    StringBuilder models = new StringBuilder(100);
    for (List<Cluster> r : result) {
      models.append("sample[").append(row++).append("]= ");
      for (int k = 0; k < r.size(); k++) {
        Cluster model = r.get(k);
        models.append('m').append(k).append(model.asFormatString(null)).append(", ");
      }
      models.append('\n');
    }
    models.append('\n');
    System.out.println(models.toString());
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