Examples of classify()


Examples of org.apache.mahout.classifier.AbstractVectorClassifier.classify()

    models.add(new Canopy(new DenseVector(2), 1, measure));
    models.add(new Canopy(new DenseVector(2).assign(-1), 2, measure));
    AbstractVectorClassifier classifier = new VectorModelClassifier(models);
    Vector pdf = classifier.classify(new DenseVector(2));
    assertEquals("[0,0]", "[0.107, 0.787, 0.107]", AbstractCluster.formatVector(pdf, null));
    pdf = classifier.classify(new DenseVector(2).assign(2));
    assertEquals("[2,2]", "[0.867, 0.117, 0.016]", AbstractCluster.formatVector(pdf, null));
  }

  @Test
  public void testClusterClassification() {
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Examples of org.apache.mahout.classifier.AbstractVectorClassifier.classify()

    DistanceMeasure measure = new ManhattanDistanceMeasure();
    models.add(new Cluster(new DenseVector(2).assign(1), 0, measure));
    models.add(new Cluster(new DenseVector(2), 1, measure));
    models.add(new Cluster(new DenseVector(2).assign(-1), 2, measure));
    AbstractVectorClassifier classifier = new VectorModelClassifier(models);
    Vector pdf = classifier.classify(new DenseVector(2));
    assertEquals("[0,0]", "[0.107, 0.787, 0.107]", AbstractCluster.formatVector(pdf, null));
    pdf = classifier.classify(new DenseVector(2).assign(2));
    assertEquals("[2,2]", "[0.867, 0.117, 0.016]", AbstractCluster.formatVector(pdf, null));
  }
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Examples of org.apache.mahout.classifier.AbstractVectorClassifier.classify()

    models.add(new Cluster(new DenseVector(2), 1, measure));
    models.add(new Cluster(new DenseVector(2).assign(-1), 2, measure));
    AbstractVectorClassifier classifier = new VectorModelClassifier(models);
    Vector pdf = classifier.classify(new DenseVector(2));
    assertEquals("[0,0]", "[0.107, 0.787, 0.107]", AbstractCluster.formatVector(pdf, null));
    pdf = classifier.classify(new DenseVector(2).assign(2));
    assertEquals("[2,2]", "[0.867, 0.117, 0.016]", AbstractCluster.formatVector(pdf, null));
  }

  @Test
  public void testMSCanopyClassification() {
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Examples of org.apache.mahout.classifier.AbstractVectorClassifier.classify()

    models.add(new MeanShiftCanopy(new DenseVector(2).assign(1), 0, measure));
    models.add(new MeanShiftCanopy(new DenseVector(2), 1, measure));
    models.add(new MeanShiftCanopy(new DenseVector(2).assign(-1), 2, measure));
    AbstractVectorClassifier classifier = new VectorModelClassifier(models);
    try {
      classifier.classify(new DenseVector(2));
      fail("Expected NotImplementedException");
    } catch (NotImplementedException e) {
    }
  }
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Examples of org.apache.mahout.classifier.AbstractVectorClassifier.classify()

    DistanceMeasure measure = new ManhattanDistanceMeasure();
    models.add(new SoftCluster(new DenseVector(2).assign(1), 0, measure));
    models.add(new SoftCluster(new DenseVector(2), 1, measure));
    models.add(new SoftCluster(new DenseVector(2).assign(-1), 2, measure));
    AbstractVectorClassifier classifier = new VectorModelClassifier(models);
    Vector pdf = classifier.classify(new DenseVector(2));
    assertEquals("[0,0]", "[0.000, 1.000, 0.000]", AbstractCluster.formatVector(pdf, null));
    pdf = classifier.classify(new DenseVector(2).assign(2));
    assertEquals("[2,2]", "[0.735, 0.184, 0.082]", AbstractCluster.formatVector(pdf, null));
  }
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Examples of org.apache.mahout.classifier.AbstractVectorClassifier.classify()

    models.add(new SoftCluster(new DenseVector(2), 1, measure));
    models.add(new SoftCluster(new DenseVector(2).assign(-1), 2, measure));
    AbstractVectorClassifier classifier = new VectorModelClassifier(models);
    Vector pdf = classifier.classify(new DenseVector(2));
    assertEquals("[0,0]", "[0.000, 1.000, 0.000]", AbstractCluster.formatVector(pdf, null));
    pdf = classifier.classify(new DenseVector(2).assign(2));
    assertEquals("[2,2]", "[0.735, 0.184, 0.082]", AbstractCluster.formatVector(pdf, null));
  }

  @Test
  public void testGaussianClusterClassification() {
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Examples of org.apache.mahout.classifier.AbstractVectorClassifier.classify()

    List<Model<VectorWritable>> models = new ArrayList<Model<VectorWritable>>();
    models.add(new GaussianCluster(new DenseVector(2).assign(1), new DenseVector(2).assign(1), 0));
    models.add(new GaussianCluster(new DenseVector(2), new DenseVector(2).assign(1), 1));
    models.add(new GaussianCluster(new DenseVector(2).assign(-1), new DenseVector(2).assign(1), 2));
    AbstractVectorClassifier classifier = new VectorModelClassifier(models);
    Vector pdf = classifier.classify(new DenseVector(2));
    assertEquals("[0,0]", "[0.274, 0.452, 0.274]", AbstractCluster.formatVector(pdf, null));
    pdf = classifier.classify(new DenseVector(2).assign(2));
    assertEquals("[2,2]", "[0.806, 0.180, 0.015]", AbstractCluster.formatVector(pdf, null));
  }
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Examples of org.apache.mahout.classifier.AbstractVectorClassifier.classify()

    models.add(new GaussianCluster(new DenseVector(2), new DenseVector(2).assign(1), 1));
    models.add(new GaussianCluster(new DenseVector(2).assign(-1), new DenseVector(2).assign(1), 2));
    AbstractVectorClassifier classifier = new VectorModelClassifier(models);
    Vector pdf = classifier.classify(new DenseVector(2));
    assertEquals("[0,0]", "[0.274, 0.452, 0.274]", AbstractCluster.formatVector(pdf, null));
    pdf = classifier.classify(new DenseVector(2).assign(2));
    assertEquals("[2,2]", "[0.806, 0.180, 0.015]", AbstractCluster.formatVector(pdf, null));
  }

  @Test
  public void testASNClusterClassification() {
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Examples of org.apache.mahout.classifier.AbstractVectorClassifier.classify()

    List<Model<VectorWritable>> models = new ArrayList<Model<VectorWritable>>();
    models.add(new AsymmetricSampledNormalModel(0, new DenseVector(2).assign(1), new DenseVector(2).assign(1)));
    models.add(new AsymmetricSampledNormalModel(1, new DenseVector(2), new DenseVector(2).assign(1)));
    models.add(new AsymmetricSampledNormalModel(2, new DenseVector(2).assign(-1), new DenseVector(2).assign(1)));
    AbstractVectorClassifier classifier = new VectorModelClassifier(models);
    Vector pdf = classifier.classify(new DenseVector(2));
    assertEquals("[0,0]", "[0.212, 0.576, 0.212]", AbstractCluster.formatVector(pdf, null));
    pdf = classifier.classify(new DenseVector(2).assign(2));
    assertEquals("[2,2]", "[0.952, 0.047, 0.000]", AbstractCluster.formatVector(pdf, null));
  }
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Examples of org.apache.mahout.classifier.AbstractVectorClassifier.classify()

    models.add(new AsymmetricSampledNormalModel(1, new DenseVector(2), new DenseVector(2).assign(1)));
    models.add(new AsymmetricSampledNormalModel(2, new DenseVector(2).assign(-1), new DenseVector(2).assign(1)));
    AbstractVectorClassifier classifier = new VectorModelClassifier(models);
    Vector pdf = classifier.classify(new DenseVector(2));
    assertEquals("[0,0]", "[0.212, 0.576, 0.212]", AbstractCluster.formatVector(pdf, null));
    pdf = classifier.classify(new DenseVector(2).assign(2));
    assertEquals("[2,2]", "[0.952, 0.047, 0.000]", AbstractCluster.formatVector(pdf, null));
  }

}
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