Accord.Tests.Statistics.DiscreteDistributionTest.VarianceTest C# (CSharp) 메소드

        public void VarianceTest()
        {
            var target = new GeneralDiscreteDistribution(42, 0.1, 0.4, 0.5);
            double mean = target.Mean;
            double expected = ((42 - mean) * (42 - mean) * 0.1
                             + (43 - mean) * (43 - mean) * 0.4
                             + (44 - mean) * (44 - mean) * 0.5);

            Assert.AreEqual(expected, target.Variance);
        }