Accord.Tests.Statistics.LinearDiscriminantAnalysisTest.ComputeTest C# (CSharp) Method

        public void ComputeTest()
        {
            LinearDiscriminantAnalysis lda = new LinearDiscriminantAnalysis(inputs, output);

            // Compute the analysis
            lda.Compute();

            double[,] expectedScatter1 = 
            {
                {  0.80, -0.40 }, 
                { -0.40,  2.64 } 
            };

            double[,] expectedScatter2 = 
            {
                {  1.84, -0.04 }, 
                { -0.04,  2.64 }
            };

            double[,] expectedBetween = 
            {
                { 29.16, 21.60 },
                { 21.60, 16.00 },
            };

            double[,] expectedWithin = 
            {
                {  2.64, -0.44 },
                { -0.44,  5.28 }
            };

            Assert.IsTrue(Matrix.IsEqual(lda.Classes[0].Scatter, expectedScatter1, 0.01));
            Assert.IsTrue(Matrix.IsEqual(lda.Classes[1].Scatter, expectedScatter2, 0.01));

            Assert.IsTrue(Matrix.IsEqual(lda.ScatterBetweenClass, expectedBetween, 0.01));
            Assert.IsTrue(Matrix.IsEqual(lda.ScatterWithinClass, expectedWithin, 0.01));
        }