Accord.Tests.Statistics.Models.Regression.NonNegativeLeastSquaresTests.ExampleTest C# (CSharp) Method

        public void ExampleTest()
        {
            // Suppose we would like to map the continuous values in the
            // second column to the integer values in the first column.
            var inputs = new[]
            {
                new[] { 1.0, 1.0 },
                new[] { 2.0, 4.0 },
                new[] { 3.0, 9.0 },
                new[] { 4.0, 16.0 },
            };

            var ouputs = new[] { 0.6, 2.2, 4.8, 8.4 };

            var regression = new MultipleLinearRegression(2);
            var nnls = new NonNegativeLeastSquares(regression)
            {
                MaxIterations = 100
            };

            nnls.Run(inputs, ouputs);
            Assert.AreEqual(0.1, nnls.Coefficients[0], 1e-3);
            Assert.AreEqual(0.5, nnls.Coefficients[1], 1e-3);
        }