Accord.Tests.Statistics.GaussianTest.GaussianEstimateTest C# (CSharp) Méthode

        public void GaussianEstimateTest()
        {
            // Suppose we have the following data 
            // 
            double[][] data =  
            { 
                new double[] { 5.1, 3.5, 1.4, 0.2 }, 
                new double[] { 5.0, 3.6, 1.4, 0.2 }, 
                new double[] { 4.9, 3.0, 1.4, 0.2 }, 
                new double[] { 5.8, 4.0, 1.2, 0.2 }, 
                new double[] { 4.7, 3.2, 1.3, 0.2 }, 
            };

            // Estimate an appropriate sigma from data 
            Gaussian kernel = Gaussian.Estimate(data);
            double sigma = kernel.Sigma; // 0.36055512 
            double sigma2 = kernel.SigmaSquared;
            Assert.AreEqual(0.36055512754639879, sigma);
            Assert.AreEqual(sigma * sigma, sigma2);
        }