Asked by Lily
on 29 Aug 2013

Hi

I'm trying to plot bar with errorbars on the same figure. I tryed to use barweb (<http://www.mathworks.com/matlabcentral/fileexchange/10803-barweb-bargraph-with-error-bars>) but it doesn't seem to work. Is there an inbuilt function in Matlab?

The data I'm working with is similar to this:

mean_velocity = [0.2574, 0.1225, 0.1787]; % mean velocity std_velocity = [0.3314, 0.2278, 0.2836]; % standard deviation of velocity

Answer by the cyclist
on 29 Aug 2013

There is not a built-in for this, but you can superpose an errorbar() chart with a bar chart:

mean_velocity = [0.2574, 0.1225, 0.1787]; % mean velocity std_velocity = [0.3314, 0.2278, 0.2836]; % standard deviation of velocity

figure hold on bar(1:3,mean_velocity) errorbar(1:3,mean_velocity,std_velocity,'.')

I feel that this may not be exactly what you want, but it should give you an idea of what is possible

Duijnhouwer
on 3 Jun 2016

@Allison

"pause" is required but not because it gives matlab some time to draw, but because, internally, "pause" calls "drawnow". just drawnow should work too

chaitra
on 14 Mar 2017

figure hold on bar(1:9,mean_velocity1) errorbar(1:9,mean_velocity1,std_velocity1,'.') figure hold on group = [mean_velocity1 mean_velocity2]; bar(1:9,mean_velocity2) errorbar(1:9,mean_velocity2,std_velocity2,'.') figure hold on

gives me separate graphs. How shall I compare them in 1 plot with different colors?

Guillem Heinrich
on 20 Jul 2017

@chaitra You are creating a new figure for the second plot --> comment the fifth line of your code.

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Answer by Leidy Castro Meneses
on 10 Mar 2017

Edited by Leidy Castro Meneses
on 10 Mar 2017

Hi Based on the previous answer, I figured this script out:

young= [458.05,509.63]; %values are for young and old respectively young2= [458.05,509.63,200,340]; old= [200,340]; group = [young;old]; SEM=[12,12,56,45]; % values for error bars

figure hold on bar(1:2,group) errorbar([0.86,1.14,1.86,2.14],young2,SEM,'.') %errorbar(x,y,err)

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