Package weka.core

Examples of weka.core.Instances.numClasses()

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        String[] xx = null;

        if (ValidateFile(jjField.getText())){
        Instances theData = new Instances(new BufferedReader(new FileReader(jjField.getText())));
        theData.setClassIndex(theData.numAttributes()-1);
        xx = new String[theData.numClasses()];
        for (int xx_counter = 0;xx_counter<theData.numClasses();xx_counter++ ){
                xx[xx_counter] = theData.attribute(theData.classIndex()).value(xx_counter);
                }
            }
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        if (ValidateFile(jjField.getText())){
        Instances theData = new Instances(new BufferedReader(new FileReader(jjField.getText())));
        theData.setClassIndex(theData.numAttributes()-1);
        xx = new String[theData.numClasses()];
        for (int xx_counter = 0;xx_counter<theData.numClasses();xx_counter++ ){
                xx[xx_counter] = theData.attribute(theData.classIndex()).value(xx_counter);
                }
            }

        return xx;
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