RealtimeAnalysis.FormPRM.GetExactAnalysisSeriesRM C# (CSharp) Method

        private Series GetExactAnalysisSeriesRM(DataTable dt, string title)
        {
            double period_min = Get_Pmin(dt);

            Series series = new Series(title);
            series.ChartArea = "ChartArea1";
            series.ChartType = SeriesChartType.Line;
            series.Legend = "Legend1";
            
            for (double i = _incrementUnit; i <= period_min; i += _incrementUnit)
            {
                series.Points.Add(new DataPoint(i, GetTheLeastThetaForGivenPi_RM(dt, i) / i));
            }

            return series;
        }
        private Series GetExactAnalysisSeriesRM(DataTable dt, string title, double csOverhead)