public void run(int n) throws InterruptedException {
		File f = new File("Stats.csv");
		BufferedWriter bw;
		try {
			bw = new BufferedWriter(new FileWriter(f));
			bw.write("Requin;Poisson\n");
			for (int i = 0; i < n; i++) {
				runOnce();
				int requin = 0;
				int poisson = 0;
				for (AgentAbs agent : agents) {
					if (agent instanceof Requin)
						requin++;
					else
						poisson++;
				}
				bw.write(requin + ";" + poisson + "\n");
				Thread.sleep(environment.wait_time);
			}
			bw.close();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}