Package weka.core

Examples of weka.core.Instances.relationName()

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      if (evaluator instanceof AttributeTransformer) {
        try {
    Instances transformed =
      ((AttributeTransformer)evaluator).transformedData();
    transformed.
      setRelationName("AT: "+transformed.relationName());

    FastVector vv = new FastVector();
    vv.addElement(transformed);
    m_History.addObject(name, vv);
        } catch (Exception ex) {
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    //    final VisualizePanel vp = temp_vp;
    final Instances ti = tempTransformed;
    JMenuItem visTrans = null;
   
    if (ti != null) {
      if (ti.relationName().startsWith("AT:")) {
  visTrans = new JMenuItem("Visualize transformed data");
      } else {
  visTrans = new JMenuItem("Visualize reduced data");
      }
      resultListMenu.addSeparator();
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      resultListMenu.add(visTrans);
    }
   
    JMenuItem saveTrans = null;
    if (ti != null) {
      if (ti.relationName().startsWith("AT:"))
        saveTrans = new JMenuItem("Save transformed data...");
      else
        saveTrans = new JMenuItem("Save reduced data...");
    }
    if (saveTrans != null) {
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    public void actionPerformed(ActionEvent e) {
      try {
        MarginCurve tc = new MarginCurve();
        Instances result = tc.getCurve(preds);
        VisualizePanel vmc = new VisualizePanel();
        vmc.setName(result.relationName());
        vmc.setLog(m_Log);
        PlotData2D tempd = new PlotData2D(result);
        tempd.setPlotName(result.relationName());
        tempd.addInstanceNumberAttribute();
        vmc.addPlot(tempd);
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        Instances result = tc.getCurve(preds);
        VisualizePanel vmc = new VisualizePanel();
        vmc.setName(result.relationName());
        vmc.setLog(m_Log);
        PlotData2D tempd = new PlotData2D(result);
        tempd.setPlotName(result.relationName());
        tempd.addInstanceNumberAttribute();
        vmc.addPlot(tempd);
        visualizeClassifierErrors(vmc);
      } catch (Exception ex) {
        ex.printStackTrace();
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    //VisualizePanel vmc = new VisualizePanel();
    ThresholdVisualizePanel vmc = new ThresholdVisualizePanel();
    vmc.setROCString("(Area under ROC = " +
         Utils.doubleToString(ThresholdCurve.getROCArea(result), 4) + ")");
    vmc.setLog(m_Log);
    vmc.setName(result.relationName()+". (Class value "+
          classAtt.value(classValue)+")");
    PlotData2D tempd = new PlotData2D(result);
    tempd.setPlotName(result.relationName());
    tempd.addInstanceNumberAttribute();
    vmc.addPlot(tempd);
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         Utils.doubleToString(ThresholdCurve.getROCArea(result), 4) + ")");
    vmc.setLog(m_Log);
    vmc.setName(result.relationName()+". (Class value "+
          classAtt.value(classValue)+")");
    PlotData2D tempd = new PlotData2D(result);
    tempd.setPlotName(result.relationName());
    tempd.addInstanceNumberAttribute();
    vmc.addPlot(tempd);
    visualizeClassifierErrors(vmc);
        } catch (Exception ex) {
    ex.printStackTrace();
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        try {
    CostCurve cc = new CostCurve();
    Instances result = cc.getCurve(preds, classValue);
    VisualizePanel vmc = new VisualizePanel();
    vmc.setLog(m_Log);
    vmc.setName(result.relationName()+". (Class value "+
          classAtt.value(classValue)+")");
    PlotData2D tempd = new PlotData2D(result);
    tempd.m_displayAllPoints = true;
    tempd.setPlotName(result.relationName());
    boolean [] connectPoints =
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    vmc.setLog(m_Log);
    vmc.setName(result.relationName()+". (Class value "+
          classAtt.value(classValue)+")");
    PlotData2D tempd = new PlotData2D(result);
    tempd.m_displayAllPoints = true;
    tempd.setPlotName(result.relationName());
    boolean [] connectPoints =
      new boolean [result.numInstances()];
    for (int jj = 1; jj < connectPoints.length; jj+=2) {
      connectPoints[jj] = true;
    }
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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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