public static void main(String... args) {
    Collection<Double> goldVec = VSMUtil.getGoldStandard().values();
    DenseVector goldVector = new DenseVector(goldVec.size());

    int idx = 0;
    for (double gold : goldVec) {
      goldVector.add(idx, gold);
      idx++;
    }

    System.out.println(goldVector.size());
  }