Accord.Tests.Statistics.FDistributionTest.ComplementaryDistributionFunctionTest C# (CSharp) Method

        public void ComplementaryDistributionFunctionTest()
        {
            double actual;
            double expected;

            int[] nu1 = { 1, 2, 3, 4, 5 };
            int[] nu2 = { 6, 7, 8, 9, 10 };
            double[] x = { 2, 3, 4, 5, 6 };
            double[] cdf = { 0.7930, 0.8854, 0.9481, 0.9788, 0.9919 };
            FDistribution f;

            for (int i = 0; i < 5; i++)
            {
                f = new FDistribution(nu1[i], nu2[i]);
                expected = cdf[i];

                actual = f.DistributionFunction(x[i]);
                Assert.AreEqual(expected, actual, 1e-4);

                f = new FDistribution(nu2[i], nu1[i]);
                actual = f.ComplementaryDistributionFunction(1.0 / x[i]);
                Assert.AreEqual(expected, actual, 1e-4);
            }
        }