Accord.Tests.Statistics.EmpiricalDistributionTest.LogProbabilityDensityFunctionTest C# (CSharp) Method

        public void LogProbabilityDensityFunctionTest()
        {
            double[] samples = { 1, 5, 2, 5, 1, 7, 1, 9, 4, 2 };
            EmpiricalDistribution target = new EmpiricalDistribution(samples, 1);

            Assert.AreEqual(1.0, target.Smoothing);

            double actual;
            double expected;

            actual = target.LogProbabilityDensityFunction(1);
            expected = System.Math.Log(0.16854678051819402);
            Assert.AreEqual(expected, actual, 1e-6);

            actual = target.LogProbabilityDensityFunction(2);
            expected = System.Math.Log(0.15866528844260089);
            Assert.AreEqual(expected, actual, 1e-6);

            actual = target.LogProbabilityDensityFunction(3);
            expected = System.Math.Log(0.0996000842425018);
            Assert.AreEqual(expected, actual, 1e-6);

            actual = target.LogProbabilityDensityFunction(4);
            expected = System.Math.Log(0.1008594542833362);
            Assert.AreEqual(expected, actual, 1e-6);

            actual = target.LogProbabilityDensityFunction(6);
            expected = System.Math.Log(0.078460710909263);
            Assert.AreEqual(expected, actual, 1e-6);

            actual = target.LogProbabilityDensityFunction(8);
            expected = System.Math.Log(0.049293898826709738);
            Assert.AreEqual(expected, actual, 1e-6);
        }