attributes.addElement(instanceInfo.attribute(i));
attributes.addElement(instanceInfo.attribute(i).copy());
  public boolean setInputFormat(Instances instanceInfo) throws Exception {    super.setInputFormat(instanceInfo);        // Create the output buffer    FastVector attributes = new FastVector();    int outputClass = -1;    for (int i = 0; i < instanceInfo.numAttributes(); i++) {      if (instanceInfo.attribute(i).type() != m_DeleteType) {        if (instanceInfo.classIndex() == i) {          outputClass = attributes.size();        }        attributes.addElement(instanceInfo.attribute(i));      }    }    Instances outputFormat = new Instances(instanceInfo.relationName(),					   attributes, 0);     outputFormat.setClassIndex(outputClass);    setOutputFormat(outputFormat);    return true;  }