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Putting uncertainty on a scatter

  1. Nov 13, 2011 #1
    Hi, first of all, sorry if my English is not perfect I'm from Quebec City and English is not my first language.

    I'm trying to make a scatter plot with average of numerical data. But now I also want to put the standard deviation on the scatter.

    Exemple, I have a point (x,[y ± σ]) and I want to have a point on my coordinate (x,y) and a line that goes to x - σ to x + σ. Thank you


    PythagoreLove
     
  2. jcsd
  3. Nov 13, 2011 #2
    Sorry I forgot to say, I need vertical and horizontal error bars
     
  4. Nov 15, 2011 #3
    What tool do you want to use to produce this?
     
  5. Nov 15, 2011 #4
    Sorry I finally got it, I was working on MatLab and I used the function errorbar and a function made by a user called herrorbar for my horizontal
     
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