Package org.apache.mahout.classifier.naivebayes.training

Examples of org.apache.mahout.classifier.naivebayes.training.TrainNaiveBayesJob

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    }
  }

  @Test
  public void toyData() throws Exception {
    TrainNaiveBayesJob trainNaiveBayes = new TrainNaiveBayesJob();
    trainNaiveBayes.setConf(conf);
    trainNaiveBayes.run(new String[] { "--input", inputFile.getAbsolutePath(), "--output", outputDir.getAbsolutePath(),
        "--labels", "stolen,not_stolen", "--tempDir", tempDir.getAbsolutePath() });

    NaiveBayesModel naiveBayesModel = NaiveBayesModel.materialize(new Path(outputDir.getAbsolutePath()), conf);

    AbstractVectorClassifier classifier = new StandardNaiveBayesClassifier(naiveBayesModel);
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    assertTrue(prediction.get(0) < prediction.get(1));
  }

  @Test
  public void toyDataComplementary() throws Exception {
    TrainNaiveBayesJob trainNaiveBayes = new TrainNaiveBayesJob();
    trainNaiveBayes.setConf(conf);
    trainNaiveBayes.run(new String[] { "--input", inputFile.getAbsolutePath(), "--output", outputDir.getAbsolutePath(),
        "--labels", "stolen,not_stolen", "--trainComplementary",
        "--tempDir", tempDir.getAbsolutePath() });

    NaiveBayesModel naiveBayesModel = NaiveBayesModel.materialize(new Path(outputDir.getAbsolutePath()), conf);
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    }
  }

  @Test
  public void toyData() throws Exception {
    TrainNaiveBayesJob trainNaiveBayes = new TrainNaiveBayesJob();
    trainNaiveBayes.setConf(conf);
    trainNaiveBayes.run(new String[] { "--input", inputFile.getAbsolutePath(), "--output", outputDir.getAbsolutePath(),
        "-el", "--tempDir", tempDir.getAbsolutePath() });

    NaiveBayesModel naiveBayesModel = NaiveBayesModel.materialize(new Path(outputDir.getAbsolutePath()), conf);

    AbstractVectorClassifier classifier = new StandardNaiveBayesClassifier(naiveBayesModel);
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    assertTrue(prediction.get(0) < prediction.get(1));
  }

  @Test
  public void toyDataComplementary() throws Exception {
    TrainNaiveBayesJob trainNaiveBayes = new TrainNaiveBayesJob();
    trainNaiveBayes.setConf(conf);
    trainNaiveBayes.run(new String[] { "--input", inputFile.getAbsolutePath(), "--output", outputDir.getAbsolutePath(),
        "-el", "--trainComplementary",
        "--tempDir", tempDir.getAbsolutePath() });

    NaiveBayesModel naiveBayesModel = NaiveBayesModel.materialize(new Path(outputDir.getAbsolutePath()), conf);
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    }
  }

  @Test
  public void toyData() throws Exception {
    TrainNaiveBayesJob trainNaiveBayes = new TrainNaiveBayesJob();
    trainNaiveBayes.setConf(conf);
    trainNaiveBayes.run(new String[] { "--input", inputFile.getAbsolutePath(), "--output", outputDir.getAbsolutePath(),
        "-el", "--tempDir", tempDir.getAbsolutePath() });

    NaiveBayesModel naiveBayesModel = NaiveBayesModel.materialize(new Path(outputDir.getAbsolutePath()), conf);

    AbstractVectorClassifier classifier = new StandardNaiveBayesClassifier(naiveBayesModel);
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    assertTrue(prediction.get(0) < prediction.get(1));
  }

  @Test
  public void toyDataComplementary() throws Exception {
    TrainNaiveBayesJob trainNaiveBayes = new TrainNaiveBayesJob();
    trainNaiveBayes.setConf(conf);
    trainNaiveBayes.run(new String[] { "--input", inputFile.getAbsolutePath(), "--output", outputDir.getAbsolutePath(),
        "-el", "--trainComplementary",
        "--tempDir", tempDir.getAbsolutePath() });

    NaiveBayesModel naiveBayesModel = NaiveBayesModel.materialize(new Path(outputDir.getAbsolutePath()), conf);
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Related Classes of org.apache.mahout.classifier.naivebayes.training.TrainNaiveBayesJob

  • org.apache.hadoop.conf.Configuration
  • org.apache.hadoop.fs.Path
  • org.apache.hadoop.mapreduce.Job
  • org.apache.mahout.classifier.naivebayes.NaiveBayesModel
  • org.apache.mahout.classifier.naivebayes.NaiveBayesTest
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