S1r-Lanzelot

private const string SSIS_AUTO_GENERATED_PARAM_PREFIX = "CM.";

private static void DeployIspac(string targetConnectionString, string folderName, string ispacSourcePath)
{
    using (var targetConn = new SqlConnection(targetConnectionString))
    {
        IntegrationServices targetIntegrationSvcs = new IntegrationServices(targetConn);
        Catalog targetCatalog = targetIntegrationSvcs.Catalogs["SSISDB"];

        CatalogFolder targetFolder = targetCatalog.Folders.FirstOrDefault(f => f.Name == folderName);

S1r-Lanzelot

public static class StatisticalCalculation
    {
        public static double Trend(IEnumerable<double> knownYValues, IEnumerable<double> knownXValues, double newX)
        {
            var line = LineByLeastSquares(knownYValues, knownXValues);
            return line.slope * newX + line.intercept;
        }

        private static (double slope, double intercept) LineByLeastSquares(IEnumerable<double> knownYValues, IEnumerable<double> knownXValues)
        {