Example usage for weka.core Instances relationName

Introduction

In this page you can find the example usage for weka.core Instances relationName.

Prototype


publicString relationName()

Source Link

Document

Returns the relation's name.

Usage

From source file:trainableSegmentation.Weka_Segmentation.java

License:GNU General Public License

/**
 * Display the threshold curve window (for precision/recall, ROC, etc.).
 *
 * @param data input instances/*from  www. j a v  a 2 s.c  o m*/
 * @param classifier classifier to evaluate
 */
public static void displayGraphs(Instances data, AbstractClassifier classifier) {
    ThresholdCurve tc = new ThresholdCurve();

    FastVector predictions = null;
    try {
        final EvaluationUtils eu = new EvaluationUtils();
        predictions = eu.getTestPredictions(classifier, data);
    } catch (Exception e) {
        IJ.log("Error while evaluating data!");
        e.printStackTrace();
        return;
    }

    Instances result = tc.getCurve(predictions);
    ThresholdVisualizePanel vmc = new ThresholdVisualizePanel();
    vmc.setName(result.relationName() + " (display only)");
    PlotData2D tempd = new PlotData2D(result);
    tempd.setPlotName(result.relationName());
    tempd.addInstanceNumberAttribute();
    try {
        vmc.addPlot(tempd);
    } catch (Exception e) {
        IJ.log("Error while adding plot to visualization panel!");
        e.printStackTrace();
        return;
    }
    String plotName = vmc.getName();
    JFrame jf = new JFrame("Weka Classifier Visualize: " + plotName);
    jf.setSize(500, 400);
    jf.getContentPane().setLayout(new BorderLayout());
    jf.getContentPane().add(vmc, BorderLayout.CENTER);
    jf.setVisible(true);
}