private void addToDataSet(String line) { String [] elements = line.split(this.getDataSet(0).getPatternExpression());
private void addToDataSet(String line, DataSet dataset) {  String [] elements = line.split(dataset.getPatternExpression());
	private void addToDataSet(String line) {		String [] elements = line.split(this.getDataSet(0).getPatternExpression());				Vector vector = new MixedVector();				for (int i = 0; i < elements.length; i++) {			vector.add(new Real(Double.parseDouble(elements[i])));		}				keyPatternPair.add(new Pair<Numeric, Vector>(new Real(0.0), vector));	}