# How to put errorbars

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Aftab Ahmed Khan el 25 de Jul. de 2014
Respondida: Abo Saqer el 15 de Ag. de 2017
Hi Everyone, How can i put errorbars in my figure below (Between red and green graphs)?
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Star Strider el 25 de Jul. de 2014
Use the errorbar function on the line of your choice. The easiest way to do this is to plot that line, then use hold to plot the others:
figure(1)
errorbar(Traffic, EngsetPb, barvector)
hold on
plot( ... the rest ... )
hold off
grid
Hypothetical variables here.
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Aftab Ahmed Khan el 25 de Jul. de 2014
Awesome, Great. Done Cheers. This is what i get. Still some work left in it as the red graph should match the green graph for me.
Star Strider el 25 de Jul. de 2014
My pleasure!

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### Más respuestas (2)

Wayne King el 25 de Jul. de 2014
Editada: Wayne King el 25 de Jul. de 2014
Do you have the Statistics Toolbox?
x = 1:10;
y = sin(x);
e = std(y)*ones(size(x));
plot(x,y,'b')
hold on
errorbar(x,y,e,'bo','markerfacecolor',[0 0 1])
Not sure exactly what you mean by "between red and green graphs"
I'm assuming that each data point is an estimate and you have an associated confidence inteval that you want to represent
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Aftab Ahmed Khan el 25 de Jul. de 2014
Thank you for the reply. The red graph is my calculated blocking probability and i want to show the errorbar on this graph. What is mean by confidence interval? Sorry, if it is a very basic question as i am not as good when it comes to statistic.
Wayne King el 25 de Jul. de 2014
Presumably this probability comes with some associated error, you just want to use that error in errorbar()

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Abo Saqer el 15 de Ag. de 2017
Hello
Can I get this code to calculate BP, please
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