Package weka.core

Examples of weka.core.UnsupportedAttributeTypeException

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    super.setInputFormat(instanceInfo);

    m_AttIndex.setUpper(instanceInfo.numAttributes() - 1);
    if (!isNumeric() && !isNominal()) {
      throw new UnsupportedAttributeTypeException("Can only handle numeric " +
              "or nominal attributes.");
    }
    m_Values.setUpper(instanceInfo.attribute(m_AttIndex.getIndex()).numValues() - 1);
    if (isNominal() && m_ModifyHeader) {
      instanceInfo = new Instances(instanceInfo, 0); // copy before modifying
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              || outputFormat.attribute(i).isNumeric()) {
            outputFormat.renameAttribute(i, outputFormat.attribute(i).name()
                                         + (m_InstanceRange < 0 ? '-' : '+')
                                         + Math.abs(m_InstanceRange));
          } else {
            throw new UnsupportedAttributeTypeException("Only numeric and nominal attributes may be "
                                                        + " manipulated in time series.");
          }
        }
      }
    }
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    break;
  case Attribute.NOMINAL:
    m_NominalBounds[i] = new boolean [instances.attribute(i).numValues()];
    break;
  default:
    throw new UnsupportedAttributeTypeException("Cannot process string attributes!");
  }
      }

      for (int i = 0; i < instances.numInstances(); i++) {
  addInstance(instances.instance(i));
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         attribute(m_AttIndex.getIndex()).numValues() - 1);
    if ((instanceInfo.classIndex() > -1) && (instanceInfo.classIndex() == m_AttIndex.getIndex())) {
      throw new Exception("Cannot process class attribute.");
    }
    if (!instanceInfo.attribute(m_AttIndex.getIndex()).isNominal()) {
      throw new UnsupportedAttributeTypeException("Chosen attribute not nominal.");
    }
    if (instanceInfo.attribute(m_AttIndex.getIndex()).numValues() < 2) {
      throw new UnsupportedAttributeTypeException("Chosen attribute has less than " +
              "two values.");
    }
    if (m_SecondIndex.getIndex() <= m_FirstIndex.getIndex()) {
      // XXX Maybe we should just swap the values??
      throw new Exception("The second index has to be greater "+
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              || outputFormat.attribute(i).isNumeric()) {
            outputFormat.renameAttribute(i, outputFormat.attribute(i).name()
                                         + (m_InstanceRange < 0 ? '-' : '+')
                                         + Math.abs(m_InstanceRange));
          } else {
            throw new UnsupportedAttributeTypeException("Only numeric and nominal attributes may be "
                                                        + " manipulated in time series.");
          }
        }
      }
    }
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            outputFormat.renameAttribute(i, outputFormat.attribute(i).name()
                                         + " d"
                                         + (m_InstanceRange < 0 ? '-' : '+')
                                         + Math.abs(m_InstanceRange));
          } else {
            throw new UnsupportedAttributeTypeException("Time delta attributes must be numeric!");
          }
        }
      }
    }
    outputFormat.setClassIndex(instanceInfo.classIndex());
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    super.setInputFormat(instanceInfo);
    m_AttIndex.setUpper(instanceInfo.numAttributes() - 1);
    m_ValIndex.setUpper(instanceInfo.attribute(m_AttIndex.
                 getIndex()).numValues() - 1);
    if (!instanceInfo.attribute(m_AttIndex.getIndex()).isNominal()) {
      throw new UnsupportedAttributeTypeException("Chosen attribute not nominal.");
    }
    if (instanceInfo.attribute(m_AttIndex.getIndex()).numValues() < 2) {
      throw new UnsupportedAttributeTypeException("Chosen attribute has less " +
              "than two values.");
    }
    setOutputFormat();
    return true;
  }
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    int selectedCount = 0;
    for (int i = getInputFormat().numAttributes() - 1; i >= 0; i--) {
      if (m_DeltaCols.isInRange(i)) {
        selectedCount++;
        if (!getInputFormat().attribute(i).isNumeric()) {
          throw new UnsupportedAttributeTypeException("Selected attributes must be all numeric");
        }
      }
    }
    if (selectedCount == 1) {
      throw new Exception("Cannot select only one attribute.");
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    super.setInputFormat(instanceInfo);

    m_AttIndex.setUpper(instanceInfo.numAttributes() - 1);
    att = instanceInfo.attribute(m_AttIndex.getIndex());
    if (!att.isNominal())
      throw new UnsupportedAttributeTypeException("Chosen attribute not nominal.");

    // merge labels
    allLabels = new Vector();
    enm = att.enumerateValues();
    while (enm.hasMoreElements())
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    m_FirstIndex.setUpper(instanceInfo.
        attribute(m_AttIndex.getIndex()).numValues() - 1);
    m_SecondIndex.setUpper(instanceInfo.
         attribute(m_AttIndex.getIndex()).numValues() - 1);
    if (!instanceInfo.attribute(m_AttIndex.getIndex()).isNominal()) {
      throw new UnsupportedAttributeTypeException("Chosen attribute not nominal.");
    }
    if (instanceInfo.attribute(m_AttIndex.getIndex()).numValues() < 2) {
      throw new UnsupportedAttributeTypeException("Chosen attribute has less than "
              + "two values.");
    }
    setOutputFormat();
    return true;
  }
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Related Classes of weka.core.UnsupportedAttributeTypeException

  • weka.classifiers.misc.HyperPipes$HyperPipe
  • weka.classifiers.timeseries.core.TimeSeriesTranslate
  • weka.filters.Filter
  • weka.filters.unsupervised.attribute.AddValues
  • weka.filters.unsupervised.attribute.ChangeDateFormat
  • weka.filters.unsupervised.attribute.FirstOrder
  • weka.filters.unsupervised.attribute.MakeIndicator
  • weka.filters.unsupervised.attribute.MergeManyValues
  • weka.filters.unsupervised.attribute.MergeTwoValues
  • weka.filters.unsupervised.attribute.StringToNominal
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