Accord.Tests.Statistics.LogNormalDistributionTest.ConstructorTest C# (CSharp) Method

        public void ConstructorTest()
        {
            var log = new LognormalDistribution(location: 0.42, shape: 1.1);

            double mean = log.Mean;     // 2.7870954605658511
            double median = log.Median; // 1.5219615583481305
            double var = log.Variance;  // 18.28163603621158
            double mode = log.Mode;     // 0.45384479528235572

            double cdf = log.DistributionFunction(x: 0.27); // 0.057961222885664958
            double pdf = log.ProbabilityDensityFunction(x: 0.27); // 0.39035530085982068
            double lpdf = log.LogProbabilityDensityFunction(x: 0.27); // -0.94069792674674835

            double ccdf = log.ComplementaryDistributionFunction(x: 0.27); // 0.942038777114335
            double icdf = log.InverseDistributionFunction(p: cdf); // 0.26999997937815973

            double hf = log.HazardFunction(x: 0.27); // 0.41437285846720867
            double chf = log.CumulativeHazardFunction(x: 0.27); // 0.059708840588116374

            string str = log.ToString("N2", CultureInfo.InvariantCulture); // Lognormal(x; μ = 2.79, σ = 1.10)

            Assert.AreEqual(2.7870954605658511, mean);
            Assert.AreEqual(1.5219615583481305, median, 1e-7);
            Assert.AreEqual(0.45384479528235572, mode);
            Assert.AreEqual(18.28163603621158, var);
            Assert.AreEqual(0.059708840588116374, chf);
            Assert.AreEqual(0.057961222885664958, cdf);
            Assert.AreEqual(0.39035530085982068, pdf);
            Assert.AreEqual(-0.94069792674674835, lpdf);
            Assert.AreEqual(0.41437285846720867, hf);
            Assert.AreEqual(0.942038777114335, ccdf);
            Assert.AreEqual(0.26999997937815973, icdf, 1e-6);
            Assert.AreEqual("Lognormal(x; μ = 2.79, σ = 1.10)", str);

            var range1 = log.GetRange(0.95);
            Assert.AreEqual(0.24923999017902393, range1.Min);
            Assert.AreEqual(9.293720885640818, range1.Max);

            var range2 = log.GetRange(0.99);
            Assert.AreEqual(0.11777446636476178, range2.Min);
            Assert.AreEqual(19.667797655030668, range2.Max);

            var range3 = log.GetRange(0.01);
            Assert.AreEqual(0.11777446636476173, range3.Min);
            Assert.AreEqual(19.667797655030668, range3.Max);
        }