@Test
public void llr() {

    double[][] count = new double[2][2];
    count[0][0] = 1;
    count[1][1] = 1;
    assertEquals(2.77, Comparison.llr(count), 0.01);
    count[0][0] = 3;
    count[0][1] = 1;
    count[1][0] = 1;
    count[1][1] = 3;
    assertEquals(2.09, Comparison.llr(count), 0.01);
    count[1][1] = 5;
    assertEquals(3.55, Comparison.llr(count), 0.01);
}