public static void Walk2D(int n) throws ParameterException {
		RandomVariable X = new ContinuousUniform(-1, 1);
		RandomVariable Y = new ContinuousUniform(-1, 1);
		double x = 0;
		double y = 0;
		int maxTime = 1000;
		File file = new File("C:\\walk2D" + n + ".csv");
		try {
			PrintStream ps = new PrintStream(new FileOutputStream(file));
			ps.println("0,0,0");
			for(int i = 1; i < maxTime; i++) {
				x += X.observe();
				y += Y.observe();
				ps.println(i + "," + x + "," + y);
			}
			ps.close();
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		}
		
	}