public void print(ArrayList<Double> values, String fileName, ArrayList<String> description) {
		String outString = "";
		if(!_titlesPrinted){
			outString += "\n";
			_titlesPrinted = true;
			for (int i = 0 ; i < description.size(); i ++){
				outString += description.get(i)+",";
			}
			outString += "\n";
		}
		for(int i = 0 ; i < values.size(); i ++){
			outString += values.get(i) + ", "; 
		}
		outString += "\n";
		
		PrintToFile(outString, fileName+".csv");
	}