Package weka.gui.visualize

Examples of weka.gui.visualize.PlotData2D


        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);
        visualizeClassifierErrors(vmc);
      } catch (Exception ex) {
        ex.printStackTrace();
      }
    }
  });
    } else {
      visMargin.setEnabled(false);
    }
    resultListMenu.add(visMargin);

    JMenu visThreshold = new JMenu("Visualize threshold curve");
    if ((preds != null) && (classAtt != null) && (classAtt.isNominal())) {
      for (int i = 0; i < classAtt.numValues(); i++) {
  JMenuItem clv = new JMenuItem(classAtt.value(i));
  final int classValue = i;
  clv.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        try {
    ThresholdCurve tc = new ThresholdCurve();
    Instances result = tc.getCurve(preds, classValue);
    //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();
    // specify which points are connected
    boolean[] cp = new boolean[result.numInstances()];
    for (int n = 1; n < cp.length; n++)
      cp[n] = true;
    tempd.setConnectPoints(cp);
    // add plot
    vmc.addPlot(tempd);
    visualizeClassifierErrors(vmc);
        } catch (Exception ex) {
    ex.printStackTrace();
        }
        }
    });
    visThreshold.add(clv);
      }
    } else {
      visThreshold.setEnabled(false);
    }
    resultListMenu.add(visThreshold);
   
    JMenu visCostBenefit = new JMenu("Cost/Benefit analysis");
    if ((preds != null) && (classAtt != null) && (classAtt.isNominal())) {
      for (int i = 0; i < classAtt.numValues(); i++) {
        JMenuItem clv = new JMenuItem(classAtt.value(i));
        final int classValue = i;
        clv.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
              try {
                ThresholdCurve tc = new ThresholdCurve();
                Instances result = tc.getCurve(preds, classValue);

                // Create a dummy class attribute with the chosen
                // class value as index 0 (if necessary).
                Attribute classAttToUse = classAtt;
                if (classValue != 0) {
                  FastVector newNames = new FastVector();
                  newNames.addElement(classAtt.value(classValue));
                  for (int k = 0; k < classAtt.numValues(); k++) {
                    if (k != classValue) {
                      newNames.addElement(classAtt.value(k));
                    }
                  }
                  classAttToUse = new Attribute(classAtt.name(), newNames);
                }
               
                CostBenefitAnalysis cbAnalysis = new CostBenefitAnalysis();
               
                PlotData2D tempd = new PlotData2D(result);
                tempd.setPlotName(result.relationName());
                tempd.m_alwaysDisplayPointsOfThisSize = 10;
                // specify which points are connected
                boolean[] cp = new boolean[result.numInstances()];
                for (int n = 1; n < cp.length; n++)
                  cp[n] = true;
                tempd.setConnectPoints(cp);
               
                String windowTitle = "";
                if (classifier != null) {
                  String cname = classifier.getClass().getName();
                  if (cname.startsWith("weka.classifiers.")) {
                    windowTitle = "" + cname.substring("weka.classifiers.".length()) + " ";
                  }
                }
                windowTitle += " (class = " + classAttToUse.value(0) + ")";               
               
                // add plot
                cbAnalysis.setCurveData(tempd, classAttToUse);
                visualizeCostBenefitAnalysis(cbAnalysis, windowTitle);
              } catch (Exception ex) {
                ex.printStackTrace();
              }
              }
          });
          visCostBenefit.add(clv);
      }
    } else {
      visCostBenefit.setEnabled(false);
    }
    resultListMenu.add(visCostBenefit);

    JMenu visCost = new JMenu("Visualize cost curve");
    if ((preds != null) && (classAtt != null) && (classAtt.isNominal())) {
      for (int i = 0; i < classAtt.numValues(); i++) {
  JMenuItem clv = new JMenuItem(classAtt.value(i));
  final int classValue = i;
  clv.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        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 =
      new boolean [result.numInstances()];
    for (int jj = 1; jj < connectPoints.length; jj+=2) {
      connectPoints[jj] = true;
    }
    tempd.setConnectPoints(connectPoints);
    //      tempd.addInstanceNumberAttribute();
    vmc.addPlot(tempd);
    visualizeClassifierErrors(vmc);
        } catch (Exception ex) {
    ex.printStackTrace();
View Full Code Here


//            for (int instance_counter = 0; instance_counter < tcEachClass[class_index].numInstances();instance_counter++){
//                tcEachClass[0].add(tcEachClass[class_index].instance(instance_counter));
//            }

//            for (int class_index =0 ; class_index< randData.numClasses();class_index++){
            PlotData2D tempd = new PlotData2D((tcResult2));
//            tempd.addInstanceNumberAttribute();
            boolean[] cp = new boolean[tcResult2.numInstances()];
            for (int n = 1; n<cp.length; n++){
                cp[n] = true;
            }
            tempd.setConnectPoints(cp);
            myPlot2Db.addPlot(tempd);
            myPlot2Db.setXindex(4);
            myPlot2Db.setYindex(5);
//            myPlot2Db.setXindex(1);
//            myPlot2Db.setYindex(2);
View Full Code Here

    // plot curve
    ThresholdVisualizePanel tvp = new ThresholdVisualizePanel();
    tvp.setROCString("(Area under ROC = " +
  Utils.doubleToString(ThresholdCurve.getROCArea(curve), 4) + ")");
    tvp.setName(curve.relationName());
    PlotData2D plotdata = new PlotData2D(curve);
    plotdata.setPlotName(curve.relationName());
    plotdata.addInstanceNumberAttribute();
    // specify which points are connected
    boolean[] cp = new boolean[curve.numInstances()];
    for (int n = 1; n < cp.length; n++)
      cp[n] = true;
        try {
            plotdata.setConnectPoints(cp);
            tvp.addPlot(plotdata);
        } catch (Exception ex) {
            System.out.println("PlotFail");
        }
View Full Code Here

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