Package weka.core

Examples of weka.core.Instances.relationName()

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    String [] o = ((OptionHandler) classifier).getOptions();
    outBuff.append(" " + Utils.joinOptions(o));
  }
  outBuff.append("\n");
  if (trainHeader != null) {
    outBuff.append("Relation:     " + trainHeader.relationName() + '\n');
    outBuff.append("Attributes:   " + trainHeader.numAttributes() + '\n');
    if (trainHeader.numAttributes() < 100) {
      for (int i = 0; i < trainHeader.numAttributes(); i++) {
        outBuff.append("              " + trainHeader.attribute(i).name()
           + '\n');
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        if (lagOptions.length() > 0) {
          outBuff.append("Lagged and derived variable options:\n\t").
          append(lagOptions + "\n\n");
        }

        outBuff.append("Relation:     " + inst.relationName() + '\n');
        outBuff.append("Instances:    " + inst.numInstances() + '\n');
        outBuff.append("Attributes:   " + inst.numAttributes() + '\n');
        if (inst.numAttributes() < 100) {
          for (int i = 0; i < inst.numAttributes(); i++) {
            outBuff.append("              " + inst.attribute(i).name()
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      StringBuffer query = new StringBuffer();
      Instances structure = getInstances();
      query.append("CREATE TABLE ");
      m_resolvedTableName = m_env.substitute(m_tableName);
      if(m_tabName || m_resolvedTableName.equals(""))
        m_resolvedTableName = m_DataBaseConnection.maskKeyword(structure.relationName());
      if(m_DataBaseConnection.getUpperCase()){
        m_resolvedTableName = m_resolvedTableName.toUpperCase();
        m_createInt = m_createInt.toUpperCase();
        m_createDouble = m_createDouble.toUpperCase();
        m_createText = m_createText.toUpperCase();
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  public void evaluateAttributesFromFile(String corpusName,
      String featureSetName, String splitName, String file)
      throws Exception {
    DataSource ds = new DataSource(file);
    Instances inst = ds.getDataSet();
    String label = FileUtil.parseLabelFromFileName(inst.relationName());
    Integer run = FileUtil.parseRunFromFileName(inst.relationName());
    Integer fold = FileUtil.parseFoldFromFileName(inst.relationName());
    evaluateAttributes(corpusName, featureSetName, splitName, inst, label,
        run, fold);
  }
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      String featureSetName, String splitName, String file)
      throws Exception {
    DataSource ds = new DataSource(file);
    Instances inst = ds.getDataSet();
    String label = FileUtil.parseLabelFromFileName(inst.relationName());
    Integer run = FileUtil.parseRunFromFileName(inst.relationName());
    Integer fold = FileUtil.parseFoldFromFileName(inst.relationName());
    evaluateAttributes(corpusName, featureSetName, splitName, inst, label,
        run, fold);
  }
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      throws Exception {
    DataSource ds = new DataSource(file);
    Instances inst = ds.getDataSet();
    String label = FileUtil.parseLabelFromFileName(inst.relationName());
    Integer run = FileUtil.parseRunFromFileName(inst.relationName());
    Integer fold = FileUtil.parseFoldFromFileName(inst.relationName());
    evaluateAttributes(corpusName, featureSetName, splitName, inst, label,
        run, fold);
  }

  /*
 
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      Instances inst = new Instances(r);
      final javax.swing.JFrame jf = new javax.swing.JFrame();
      jf.getContentPane().setLayout(new java.awt.BorderLayout());
      final ModelPerformanceChart as = new ModelPerformanceChart();
      PlotData2D pd = new PlotData2D(inst);
      pd.setPlotName(inst.relationName());
      ThresholdDataEvent roc = new ThresholdDataEvent(as, pd);
      as.acceptDataSet(roc);     

      jf.getContentPane().add(as, java.awt.BorderLayout.CENTER);
      jf.addWindowListener(new java.awt.event.WindowAdapter() {
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        new java.io.FileReader(selected));
  Instances i = new Instances(r);
  setInstances(i);
 
  //dataFileLabel.setText(selected.getName());
  String relationName = i.relationName();
  String truncatedN = relationName;
  if (relationName.length() > 25) {
    truncatedN = relationName.substring(0, 25) + "...";
  }
  dataFileLabel.setText(truncatedN);
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      bv.addActionListener(new ActionListener() {
    public void actionPerformed(ActionEvent e) {
      String classifierNameNew =
        classifierName.substring(classifierName.lastIndexOf('.')+1,
               classifierName.length());
      bv.saveImage(classifierNameNew+"_"+i.relationName()
       +"_X"+xatt+"_Y"+yatt+".jpg");
    }
  });

      jf.getContentPane().add(bv, BorderLayout.CENTER);
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    Instances result = useFilter();
    // Number of attributes and instances shouldn't change
    assertEquals(m_Instances.numAttributes(), result.numAttributes());
    assertEquals(m_Instances.numInstances(), result.numInstances());
   
    assertTrue(!m_Instances.relationName().equals(result.relationName()));
    for (int i = 0; i < m_Instances.numAttributes(); i++) {
      Attribute inatt = m_Instances.attribute(i);
      Attribute outatt = result.attribute(i);
      if (!inatt.isString() && !inatt.isDate()) {
        assertTrue("Attribute names should be changed",
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