Accord.Tests.Statistics.PoissonDistributionTest.DistributionFunctionTest C# (CSharp) Méthode

        public void DistributionFunctionTest()
        {
            // Create a new Poisson distribution
            var dist = new PoissonDistribution(lambda: 4.2);

            // P(X = 1) = 0.0629814226460064
            double equal = dist.ProbabilityMassFunction(k: 1);

            // P(X < 1) = 0.0149955768204777
            double less = dist.DistributionFunction(k: 1, inclusive: false);

            // P(X ≤ 1) = 0.0779769994664841
            double lessThanOrEqual = dist.DistributionFunction(k: 1, inclusive: true);

            // P(X > 1) = 0.922023000533516
            double greater = dist.ComplementaryDistributionFunction(k: 1);

            // P(X ≥ 1) = 0.985004423179522
            double greaterThanOrEqual = dist.ComplementaryDistributionFunction(k: 1, inclusive: true);

            Assert.AreEqual(equal, 0.0629814226460064, 1e-10);
            Assert.AreEqual(less, 0.0149955768204777, 1e-10);
            Assert.AreEqual(lessThanOrEqual, 0.0779769994664841, 1e-10);
            Assert.AreEqual(greater, 0.922023000533516, 1e-10);
            Assert.AreEqual(greaterThanOrEqual, 0.985004423179522, 1e-10);
        }