Package weka.core

Examples of weka.core.Instances.attribute()

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    Instances result = useFilter();
    assertEquals(m_Instances.numAttributes(), result.numAttributes());
    for (int i = 0; i < result.numAttributes(); i++) {
      if (i != 2) {
        assertEquals(m_Instances.attribute(i).type(), result.attribute(i).type());
        assertEquals(m_Instances.attribute(i).name(), result.attribute(i).name());
      } else {
        assertEquals(Attribute.NOMINAL, result.attribute(i).type());
        assertEquals(1, result.attribute(i).numValues());
      }
    }
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    for (int i = 0; i < result.numAttributes(); i++) {
      if (i != 2) {
        assertEquals(m_Instances.attribute(i).type(), result.attribute(i).type());
        assertEquals(m_Instances.attribute(i).name(), result.attribute(i).name());
      } else {
        assertEquals(Attribute.NOMINAL, result.attribute(i).type());
        assertEquals(1, result.attribute(i).numValues());
      }
    }
  }
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      if (i != 2) {
        assertEquals(m_Instances.attribute(i).type(), result.attribute(i).type());
        assertEquals(m_Instances.attribute(i).name(), result.attribute(i).name());
      } else {
        assertEquals(Attribute.NOMINAL, result.attribute(i).type());
        assertEquals(1, result.attribute(i).numValues());
      }
    }
  }

  public void testInverted() {
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    ((Discretize)m_Filter).setInvertSelection(true);
    Instances result = useFilter();
    assertEquals(m_Instances.numAttributes(), result.numAttributes());
    for (int i = 0; i < result.numAttributes(); i++) {
      if ((i < 2) || !m_Instances.attribute(i).isNumeric()) {
        assertEquals(m_Instances.attribute(i).type(), result.attribute(i).type());
        assertEquals(m_Instances.attribute(i).name(), result.attribute(i).name());
      } else {
        assertEquals(Attribute.NOMINAL, result.attribute(i).type());
        assertEquals(1, result.attribute(i).numValues());
      }
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    Instances result = useFilter();
    assertEquals(m_Instances.numAttributes(), result.numAttributes());
    for (int i = 0; i < result.numAttributes(); i++) {
      if ((i < 2) || !m_Instances.attribute(i).isNumeric()) {
        assertEquals(m_Instances.attribute(i).type(), result.attribute(i).type());
        assertEquals(m_Instances.attribute(i).name(), result.attribute(i).name());
      } else {
        assertEquals(Attribute.NOMINAL, result.attribute(i).type());
        assertEquals(1, result.attribute(i).numValues());
      }
    }
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    for (int i = 0; i < result.numAttributes(); i++) {
      if ((i < 2) || !m_Instances.attribute(i).isNumeric()) {
        assertEquals(m_Instances.attribute(i).type(), result.attribute(i).type());
        assertEquals(m_Instances.attribute(i).name(), result.attribute(i).name());
      } else {
        assertEquals(Attribute.NOMINAL, result.attribute(i).type());
        assertEquals(1, result.attribute(i).numValues());
      }
    }
  }
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      if ((i < 2) || !m_Instances.attribute(i).isNumeric()) {
        assertEquals(m_Instances.attribute(i).type(), result.attribute(i).type());
        assertEquals(m_Instances.attribute(i).name(), result.attribute(i).name());
      } else {
        assertEquals(Attribute.NOMINAL, result.attribute(i).type());
        assertEquals(1, result.attribute(i).numValues());
      }
    }
  }

  public void testNonInverted2() {
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    ((Discretize)m_Filter).setInvertSelection(true);
    Instances result = useFilter();
    assertEquals(m_Instances.numAttributes(), result.numAttributes());
    for (int i = 0; i < result.numAttributes(); i++) {
      if ((i < 3) || !m_Instances.attribute(i).isNumeric()) {
        assertEquals(m_Instances.attribute(i).type(), result.attribute(i).type());
        assertEquals(m_Instances.attribute(i).name(), result.attribute(i).name());
      } else {
        assertEquals(Attribute.NOMINAL, result.attribute(i).type());
        assertEquals(1, result.attribute(i).numValues());
      }
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    Instances result = useFilter();
    assertEquals(m_Instances.numAttributes(), result.numAttributes());
    for (int i = 0; i < result.numAttributes(); i++) {
      if ((i < 3) || !m_Instances.attribute(i).isNumeric()) {
        assertEquals(m_Instances.attribute(i).type(), result.attribute(i).type());
        assertEquals(m_Instances.attribute(i).name(), result.attribute(i).name());
      } else {
        assertEquals(Attribute.NOMINAL, result.attribute(i).type());
        assertEquals(1, result.attribute(i).numValues());
      }
    }
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    for (int i = 0; i < result.numAttributes(); i++) {
      if ((i < 3) || !m_Instances.attribute(i).isNumeric()) {
        assertEquals(m_Instances.attribute(i).type(), result.attribute(i).type());
        assertEquals(m_Instances.attribute(i).name(), result.attribute(i).name());
      } else {
        assertEquals(Attribute.NOMINAL, result.attribute(i).type());
        assertEquals(1, result.attribute(i).numValues());
      }
    }
  }
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