Found only on the islands of New Zealand, the Weka is a flightless bird with an inquisitive nature. The name is pronounced like this, and the bird sounds like this.

Weka is open source software issued under the GNU General Public License.

InputStream is = getResources().openRawResource(R.raw.ionosphere);
BufferedReader datafile = new BufferedReader(new InputStreamReader(is));
try {
  Instances m_Training = new Instances(datafile);
  m_Training.setClassIndex(m_Training.numAttributes() - 1);
  Filter m_Filter =
      ((Filter) Class.forName("weka.filters.unsupervised.instance.Randomize").newInstance());
  m_Filter.setInputFormat(m_Training);
  Instances localInstances = Filter.useFilter(m_Training, m_Filter);
  Classifier m_Classifier;
  m_Classifier = new weka.classifiers.trees.J48();
  m_Classifier.buildClassifier(localInstances);
  Evaluation m_Evaluation = new Evaluation(localInstances);

  m_Evaluation.crossValidateModel(m_Classifier, localInstances, 10,
      m_Training.getRandomNumberGenerator(1L));
  Log.e("Detail", m_Evaluation.toClassDetailsString());
  Log.e("Summary", m_Evaluation.toSummaryString());

  Log.e("Result", "================================================");
  Log.e("Result", "Correct:"
      + m_Evaluation.correct()
      + "/Wrong:"
      + m_Evaluation.incorrect()
      + "/Correct(%):"
      + m_Evaluation.pctCorrect());
  Log.e("Result", "================================================");
} catch (Exception e) {

  e.printStackTrace();
}