Accord.Tests.Statistics.KernelPrincipalComponentAnalysisTest.RevertTest2 C# (CSharp) Method

        public void RevertTest2()
        {
            string path = @"Resources\examples.xls";

            // Create a new reader, opening a given path
            ExcelReader reader = new ExcelReader(path);

            // Afterwards, we can query the file for all
            // worksheets within the specified workbook:
            string[] sheets = reader.GetWorksheetList();

            // Finally, we can request an specific sheet:
            DataTable table = reader.GetWorksheet("Wikipedia");

            // Now, we have loaded the Excel file into a DataTable. We
            // can go further and transform it into a matrix to start
            // running other algorithms on it: 

            double[,] matrix = table.ToMatrix();

            IKernel kernel = new Gaussian(5);

            // Create analysis
            KernelPrincipalComponentAnalysis target = new KernelPrincipalComponentAnalysis(matrix,
                kernel, AnalysisMethod.Center, centerInFeatureSpace: false);

            target.Compute();

            double[,] forward = target.Result;

            double[,] reversion = target.Revert(forward);

            Assert.IsTrue(!reversion.HasNaN());
        }