Package org.apache.mahout.classifier.bayes

Examples of org.apache.mahout.classifier.bayes.InMemoryBayesDatastore

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  public void initClassifierContext() {
    try {
      //<start id="mahout.bayes.setup"/>
      BayesParameters p = new BayesParameters();
      p.set("basePath", modelDir.getCanonicalPath());
      Datastore ds = new InMemoryBayesDatastore(p);
      Algorithm a  = new BayesAlgorithm();
      ClassifierContext ctx = new ClassifierContext(a,ds);
      ctx.initialize();
      //<end id="mahout.bayes.setup"/>
      synchronized (swapContext) {
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        throw new IllegalArgumentException(modelDir + " does not exist or is not a directory");
      }
     
      BayesParameters p = new BayesParameters();
      p.set("basePath", modelDir.getCanonicalPath());
      Datastore ds = new InMemoryBayesDatastore(p);
      Algorithm a  = new BayesAlgorithm();
      ClassifierContext ctx = new ClassifierContext(a,ds);
      ctx.initialize();
     
      //TODO: make the analyzer configurable
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    String dataSource = (String) cmdLine.getValue(dataSourceOpt);
    if ("hdfs".equals(dataSource)) {
      if ("bayes".equalsIgnoreCase(classifierType)) {
        log.info("Using Bayes Classifier");
        algorithm = new BayesAlgorithm();
        datastore = new InMemoryBayesDatastore(params);
      } else if ("cbayes".equalsIgnoreCase(classifierType)) {
        log.info("Using Complementary Bayes Classifier");
        algorithm = new CBayesAlgorithm();
        datastore = new InMemoryBayesDatastore(params);
      } else {
        throw new IllegalArgumentException("Unrecognized classifier type: " + classifierType);
      }
     
    } else {
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      if ("hdfs".equals(params.get("dataSource"))) {
        if ("bayes".equalsIgnoreCase(params.get("classifierType"))) {
          log.info("Testing Bayes Classifier");
          algorithm = new BayesAlgorithm();
          datastore = new InMemoryBayesDatastore(params);
        } else if ("cbayes".equalsIgnoreCase(params.get("classifierType"))) {
          log.info("Testing Complementary Bayes Classifier");
          algorithm = new CBayesAlgorithm();
          datastore = new InMemoryBayesDatastore(params);
        } else {
          throw new IllegalArgumentException("Unrecognized classifier type: " + params.get("classifierType"));
        }
       
      } else {
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