Example usage for weka.core.converters LibSVMLoader LibSVMLoader

Introduction

In this page you can find the example usage for weka.core.converters LibSVMLoader LibSVMLoader.

Prototype

LibSVMLoader

Source Link

Usage

From source file:adams.data.io.input.LibSVMSpreadSheetReader.java

License:Open Source License

/**
 * Returns an instance of the file loader.
 * /*  ww  w  .  j av  a2 s .co  m*/
 * @return      the file loader
 */
@Override
protected AbstractFileLoader newLoader() {
    return new LibSVMLoader();
}

---

From source file:cish.CISH.java

private void trainClassifier() {
    try {/*from   ww w.  jav a  2 s .  co  m*/
        LibSVMLoader loader = new LibSVMLoader();
        loader.setSource(getClass().getResource("/cish/traindata.libsvm"));
        Instances traindata = loader.getDataSet();

        // Set the class attribute as nominal
        NumericToNominal filter = new NumericToNominal();
        filter.setAttributeIndices("last");
        filter.setInputFormat(traindata);
        dataset = Filter.useFilter(traindata, filter);

        // Train the LibSVM
        classifier = new LibSVM();
        classifier.setOptions(new String[] { "-C", "8", "-G", "0.0625" });

        System.out.println("CISH classifier has options");
        for (String o : classifier.getOptions()) {
            System.out.print(o + " ");
        }
        System.out.println();

        classifier.buildClassifier(dataset);

    } catch (IOException ex) {
        Logger.getLogger(CISH.class.getName()).log(Level.SEVERE, null, ex);
    } catch (Exception ex) {
        Logger.getLogger(CISH.class.getName()).log(Level.SEVERE, null, ex);
    }
}

---