ProjectsForTest/WinForm.NET5TeeChart-NET-Pro-Samples/Functions/Function_SPC.cs

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using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;

using System.Windows.Forms;


namespace Steema.TeeChart.Samples
{
	public class Function_SPC : Samples.BaseForm
	{
		private Steema.TeeChart.Styles.Line lineSeries1;
		private Steema.TeeChart.Styles.Line lineSeries2;
		private Steema.TeeChart.Tools.ColorLine colorLine1;
		private Steema.TeeChart.Tools.ColorLine colorLine2;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.TextBox textBox2;
		private System.Windows.Forms.TextBox textBox3;
		private System.ComponentModel.IContainer components = null;

		private void CalcLimits(Steema.TeeChart.Styles.Series Good, Steema.TeeChart.Styles.Series Bad)
		{
			double sum,sumn, tmp, aux,
				lcp,lcn, numtotal, percent;
			int n;
			this.colorLine1.Value = 0.0;
			this.colorLine2.Value = 0.0;
			n = 0;
			sum = 0.0;
			sumn = 0.0;
			for (int i = 0;i<Good.Count;i++)
			{
				percent = (Bad.YValues[i]*Good.YValues[i]/100.0);
				numtotal = Good.YValues[i] + percent;
				if (numtotal>0)
				{
					sum += percent/numtotal;
					sumn += numtotal;
					n++;
				}
			}
			lcp = sum/n;
			lcn = sumn/n;
			tmp = (lcp*(1.0-lcp))/lcn;
			if (tmp>0)
			{
				aux = 3*Math.Sqrt(tmp); // <-- 3 by square root
				this.colorLine1.Value = 100.0*(lcp+aux);
				this.colorLine2.Value = 100.0*(lcp-aux);
			}

		}

		public Function_SPC()
		{
			// This call is required by the Windows Form Designer.
			InitializeComponent();