如何策划一场“卡夫格莱”？

Question

我想通过读取文本文件中的数据来生成一个CCDF图形。

是指互补累积分布函数。

我试着去寻找CCDF，但我并不真正理解它。

所以我不知道如何用下面的数据制作一个CCDF图。

这是我的数据"file.txt"，它是到达时间(秒)：

2.824562000
7.914959000
15.838087000
1.013451000
2.813006000
0.424052000
0.146252000
0.166075000
2.298860000
6.393684000
5.341003000
0.005898000
0.009670000
0.453621000
0.068486000
0.039053000

如何在Java或C#中通过读取“file.txt”中的数据来绘制这个图形？--任何其他编程语言都可以。

Answer 1

您可以很容易地用累积分布函数( R )计算和绘制cdf(互补R)(注:cdf=1-cf)：

x <- c(2.824562, 7.914959, 15.838087, 1.013451, 2.813006, 0.424052, 
       0.146252, 0.166075, 2.29886, 6.393684, 5.341003, 0.005898, 0.00967, 
       0.453621, 0.068486, 0.039053) # sample data

f <- ecdf(x) # this is the cdf
plot(f)

​

​

plot(sort(x), 1-f(sort(x)), type="s", lwd=19) # this is the ccdf

​

​

Answer 2

在提交之前，请在windows.form中创建图表

工具箱->数据->图表，在图表属性中创建系列。

C#：

命名空间：

 using System.Windows.Form;
 using System.IO;
 using System.Data;
 using System.Drawing;
 using System.Windows.Forms.DataVisualization.Charting;
 using System.Drawing.Imaging;

代码片段：

 private void button1_Click(object sender, EventArgs e)
    {
   chart1.Visible = true;
      try
        {
        this.Chart1.Series["Series1"].Points.AddXY(0,2.824562000);
        this.Chart1.Series["Series1"].Points.AddXY(1,7.914959000);
        this.Chart1.Series["Series1"].Points.AddXY(2,15.838087000)
        this.Chart1.Series["Series1"].Points.AddXY(3,1.013451000);
        this.Chart1.Series["Series1"].Points.AddXY(4,2.813006000);
        this.Chart1.Series["Series1"].Points.AddXY(5,0.424052000);
        this.Chart1.Series["Series1"].Points.AddXY(6,0.146252000);
        this.Chart1.Series["Series1"].Points.AddXY(7,0.166075000);
        this.Chart1.Series["Series1"].Points.AddXY(8,2.298860000);
        this.Chart1.Series["Series1"].Points.AddXY(9,6.393684000);
        this.Chart1.Series["Series1"].Points.AddXY(10,5.341003000);
        this.Chart1.Series["Series1"].Points.AddXY(11,0.005898000);
        this.Chart1.Series["Series1"].Points.AddXY(12,0.009670000);
        this.Chart1.Series["Series1"].Points.AddXY(13,0.453621000);
        this.Chart1.Series["Series1"].Points.AddXY(14,0.068486000);
        this.Chart1.Series["Series1"].Points.AddXY(15,0.039053000);
        }
      catch
       {
       }
   }

试试这个，我希望这能帮上忙。