public static void calcF1Score(String dirName) {
		File dir = new File("./data/metrics/" + dirName);
		for (File file : dir.listFiles()) {
			FileReader reader;
			try {
				reader = new FileReader(file);
				BufferedReader br = new BufferedReader(reader);
				String line = null;
				int count = 0;
				while ((line = br.readLine()) != null) {
					if (++count == 5) {
						String[] lineParts = line.split(";");
						double recall = Double.parseDouble(lineParts[0].replace(",", "."));
						double precision = Double.parseDouble(lineParts[1].replace(",", "."));
						System.out.println(file.getName() + " " + (2.0 * recall * precision / (recall + precision)));
					}
				}
				br.close();
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
	}