Package org.apache.mahout.clustering.spectral.eigencuts.EigencutsAffinityCutsJob

Examples of org.apache.mahout.clustering.spectral.eigencuts.EigencutsAffinityCutsJob.EigencutsAffinityCutsMapper

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   *
   * @throws Exception
   */
  @Test
  public void testEigencutsAffinityCutsMapper() throws Exception {
    EigencutsAffinityCutsMapper mapper = new EigencutsAffinityCutsMapper();
    Configuration conf = new Configuration();
    conf.setInt(EigencutsKeys.AFFINITY_DIMENSIONS, this.affinity.length);
   
    // set up the writer
    DummyRecordWriter<Text, VertexWritable> writer =
      new DummyRecordWriter<Text, VertexWritable>();
    Mapper<IntWritable, VectorWritable, Text, VertexWritable>.Context context =
      DummyRecordWriter.build(mapper, conf, writer);
   
    // perform the maps
    for (int i = 0; i < this.affinity.length; i++) {
      VectorWritable aff = new VectorWritable(new DenseVector(this.affinity[i]));
      VectorWritable sens = new VectorWritable(new DenseVector(this.sensitivity[i]));
      IntWritable key = new IntWritable(i);
      mapper.map(key, aff, context);
      mapper.map(key, sens, context);
    }
   
    // were the vertices constructed correctly? if so, then for two 4x4
    // matrices, there should be 10 unique keys with 56 total entries
    assertEquals("Number of keys", 10, writer.getKeys().size());
View Full Code Here
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   *
   * @throws Exception
   */
  @Test
  public void testEigencutsAffinityCutsMapper() throws Exception {
    EigencutsAffinityCutsMapper mapper = new EigencutsAffinityCutsMapper();
    Configuration conf = new Configuration();
    conf.setInt(EigencutsKeys.AFFINITY_DIMENSIONS, this.affinity.length);
   
    // set up the writer
    DummyRecordWriter<Text, VertexWritable> writer =
      new DummyRecordWriter<Text, VertexWritable>();
    Mapper<IntWritable, VectorWritable, Text, VertexWritable>.Context context =
      DummyRecordWriter.build(mapper, conf, writer);
   
    // perform the maps
    for (int i = 0; i < this.affinity.length; i++) {
      VectorWritable aff = new VectorWritable(new DenseVector(this.affinity[i]));
      VectorWritable sens = new VectorWritable(new DenseVector(this.sensitivity[i]));
      IntWritable key = new IntWritable(i);
      mapper.map(key, aff, context);
      mapper.map(key, sens, context);
    }
   
    // were the vertices constructed correctly? if so, then for two 4x4
    // matrices, there should be 10 unique keys with 56 total entries
    assertEquals("Number of keys", 10, writer.getKeys().size());
View Full Code Here
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   *
   * @throws Exception
   */
  @Test
  public void testEigencutsAffinityCutsMapper() throws Exception {
    EigencutsAffinityCutsMapper mapper = new EigencutsAffinityCutsMapper();
    Configuration conf = new Configuration();
    conf.setInt(EigencutsKeys.AFFINITY_DIMENSIONS, this.affinity.length);
   
    // set up the writer
    DummyRecordWriter<Text, VertexWritable> writer =
      new DummyRecordWriter<Text, VertexWritable>();
    Mapper<IntWritable, VectorWritable, Text, VertexWritable>.Context context =
      DummyRecordWriter.build(mapper, conf, writer);
   
    // perform the maps
    for (int i = 0; i < this.affinity.length; i++) {
      VectorWritable aff = new VectorWritable(new DenseVector(this.affinity[i]));
      VectorWritable sens = new VectorWritable(new DenseVector(this.sensitivity[i]));
      IntWritable key = new IntWritable(i);
      mapper.map(key, aff, context);
      mapper.map(key, sens, context);
    }
   
    // were the vertices constructed correctly? if so, then for two 4x4
    // matrices, there should be 10 unique keys with 56 total entries
    assertEquals("Number of keys", 10, writer.getKeys().size());
View Full Code Here
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   *
   * @throws Exception
   */
  @Test
  public void testEigencutsAffinityCutsMapper() throws Exception {
    EigencutsAffinityCutsMapper mapper = new EigencutsAffinityCutsMapper();
    Configuration conf = new Configuration();
    conf.setInt(EigencutsKeys.AFFINITY_DIMENSIONS, this.affinity.length);
   
    // set up the writer
    DummyRecordWriter<Text, VertexWritable> writer =
      new DummyRecordWriter<Text, VertexWritable>();
    Mapper<IntWritable, VectorWritable, Text, VertexWritable>.Context context =
      DummyRecordWriter.build(mapper, conf, writer);
   
    // perform the maps
    for (int i = 0; i < this.affinity.length; i++) {
      VectorWritable aff = new VectorWritable(new DenseVector(this.affinity[i]));
      VectorWritable sens = new VectorWritable(new DenseVector(this.sensitivity[i]));
      IntWritable key = new IntWritable(i);
      mapper.map(key, aff, context);
      mapper.map(key, sens, context);
    }
   
    // were the vertices constructed correctly? if so, then for two 4x4
    // matrices, there should be 10 unique keys with 56 total entries
    assertEquals("Number of keys", 10, writer.getKeys().size());
View Full Code Here
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Related Classes of org.apache.mahout.clustering.spectral.eigencuts.EigencutsAffinityCutsJob.EigencutsAffinityCutsMapper

  • org.apache.mahout.clustering.spectral.eigencuts.TestEigencutsAffinityCutsJob
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