public static Double runClassify(String trainFile, String testFile) {
double predictOrder = 0.0;
double trueOrder = 0.0;
try {
String trainWekaFileName = trainFile;
String testWekaFileName = testFile;
Instances train = DataSource.read(trainWekaFileName);
Instances test = DataSource.read(testWekaFileName);
train.setClassIndex(0);
test.setClassIndex(0);
train.deleteAttributeAt(8);
test.deleteAttributeAt(8);
train.deleteAttributeAt(6);
test.deleteAttributeAt(6);
train.deleteAttributeAt(5);
test.deleteAttributeAt(5);
train.deleteAttributeAt(4);
test.deleteAttributeAt(4);
// AdditiveRegression classifier = new AdditiveRegression();
// NaiveBayes classifier = new NaiveBayes();
RandomForest classifier = new RandomForest();
// LibSVM classifier = new LibSVM();
classifier.buildClassifier(train);
Evaluation eval = new Evaluation(train);
eval.evaluateModel(classifier, test);
System.out.println(eval.toSummaryString("\nResults\n\n", true));
// System.out.println(eval.toClassDetailsString());
// System.out.println(eval.toMatrixString());
int k = 892;
for (int i = 0; i < test.numInstances(); i++) {
predictOrder = classifier.classifyInstance(test.instance(i));
trueOrder = test.instance(i).classValue();
System.out.println((k++) + "," + (int) predictOrder);
}
} catch (Exception e) {
e.printStackTrace();
}
return predictOrder;
}
public void trainSystem() {
BufferedReader reader = null;
Instances data = null;
try {
reader =
new BufferedReader(
new InputStreamReader(getResources().getAssets().open("training_data.arff")));
data = new Instances(reader);
reader.close();
data.setClassIndex(data.numAttributes() - 2);
classifier = new RandomForest();
classifier.buildClassifier(data);
} catch (FileNotFoundException e) {
Toast.makeText(getApplicationContext(), "File not Found.!", Toast.LENGTH_LONG).show();
Log.e("GPSTracker", "fnfexception", e);
} catch (IOException e) {
Toast.makeText(getApplicationContext(), "IO Exception.!", Toast.LENGTH_LONG).show();
Log.e("GPSTracker", "ioexception", e);
} catch (Exception e) {
Log.e("GPSTracker", "exception", e);
Toast.makeText(getApplicationContext(), "Exception.!", Toast.LENGTH_LONG).show();
}
}