/*
* Returns a new decision tree that was created by using only the features present in the chromosome.
*/
public DecisionTreeClassifier getDecisionTree() {
ArrayList<String> features = new ArrayList<String>();
for (int i = 0; i < chromosome.length(); ++i)
if (chromosome.charAt(i) == '1') features.add(FeatureSuperSet.get(i));
DecisionTreeClassifier dtClassifier = new DecisionTreeClassifier(samples, features);
SampleCollection training_samples =
new SampleCollection(
samples.getSamplesFilename(Filenames.TRAINING_SAMPLES_FILE),
samples.getSamplesFilename(Filenames.FEATURES_FILE));
training_samples.discretizeSamples(Constants.DiscretizerAlgorithms.EQUAL_BINNING);
dtClassifier.setTestingSamples(training_samples);
dtClassifier.setTrainingSamples(training_samples);
return dtClassifier;
}
