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Plot Groups of Stacked Bars

4.9 | 21 ratings Rate this file 106 Downloads (last 30 days) File Size: 1.69 KB File ID: #32884 Version: 1.0
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Plot Groups of Stacked Bars


Evan (view profile)

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Generate a bar plot with multiple stacks grouped together.

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Plot a set of stacked bars, but group them according to labels provided.

     stackData is a 3D matrix (i.e., stackData(i, j, k) => (Group, Stack, StackElement))
     groupLabels is a CELL type (i.e., { 'a', 1 , 20, 'foo' };)


This file inspired Machine Learning With Matlab.

MATLAB release MATLAB 7.7 (R2008b)
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Comments and Ratings (26)
14 Feb 2017 Konstantinos Tsitsilonis

Very useful function!

Figured out a solution for the labelling of individual columns:

Add as an input a cell array of strings:


Then, on line 36, just before the 'end' of the for loop add the following lines:

% Bar Labeling
for j=1:NumGroupsPerAxis



16 Jan 2017 ys chen

Thanks, very handy function!

29 Nov 2016 Eunice Li

16 Nov 2016 ruffntuff

Hi, trying to add legend. Plot working as expected otherwise.

Looking at Beckah Rieck's post on 12 July '16, first step is to create a handle but...

Z(:,:,1) = [EnCol'*2, EnAddDiurn'];
Z(:,:,2) = [zeros(12,1), EnAddSeas'];
(all variables are 12x1 doubles as you can see form zeros value)

Cmd to create handle
b = plotBarStackGroups(Z, months);

Error using plotBarStackGroups
Too many output arguments.

Do you see what I'm doing wrong here?
Thanks in advance!

18 Oct 2016 Alexander Kurz

Thanks for this Evan! Finally I would like to plot groups of stacked bars with error bars. Anyone already did it before?

12 Oct 2016 regaieg rym


I want to produce the stackData matrix by my own values. Any ideas ?

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22 Aug 2016 Suehee Huh


12 Jul 2016 Beckah Rieck

Thanks Evan!

Emma- if you are talking about x-labels for what each bar means, just add a legend:
b = plotBarStackGroups(stackData, Month);
legend([b(1,1), b(2,1), b(2,2)], 'Total Added', 'Closed- Non Quick Hits', 'Closed- Quick Hits');

If you mean Y data labels on the bars, use text:
text(b(1,1).XData', zeros(size(b(1,1).XData')), labelsAddedtoQ);

(that places them at the base).

06 Jul 2016 Ashrar Matin

07 Jun 2016 Emma Jonasson

Thanks for the script. I would also like to add x-labels for each bar within the groups, anyone who can help me achieve that? Explaining from the example: above the label 'Test', I would like to add labels on the bars, e.g. 'a' 'b' 'c', and so on.

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07 Jun 2016 Emma Jonasson

04 May 2016 Samy

Samy (view profile)

thanks for the script, if you don't like the border of the plot being messed up just remove the 'hold on;' in line 20 and add 'if i == 1, hold on; end' after 'h(i,:) = bar(Y, 'stacked');'!

11 Mar 2016 tan yu

tan yu (view profile)

14 Jul 2015 Elizabeth

20 Apr 2015 Oleg Komarov

Oleg Komarov (view profile)

If you have a 3D array A, then reshaping your array and interleaving groups with a row of NaNs will produce the same result:

sz = size(A);
B = [A, NaN(sz(1),1,sz(3))];
B = reshape(permute(B, [2,1,3]),sz(1)*(sz(2)+1),sz(3));

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17 Apr 2015 ADITHYAN

Works very well. Thanks a lot evan.

20 Feb 2015 Daniel Paiva

Very good.

18 Jul 2014 Jenny

Jenny (view profile)

01 Apr 2014 Vera

Vera (view profile)

13 Oct 2013 Ricardo

Very useful function!, thank you!

25 Aug 2013 Tim

Tim (view profile)

Berk, I had the same desire and found it was pretty simple to customize.

After this...
h(i,:) = bar(Y, 'stacked');

I added this...
set(h(i,4),'facecolor','g','edgecolor','k'); that the base of each bar is always yellow, etc.

Doubt you'll need this 1 year later, but for the next rookie like myself, could be useful.

Thanks for the elegant and useful function, Evan.

12 Mar 2013 Ben

Ben (view profile)

21 Aug 2012 Berk

Berk (view profile)

Thanks, very handy function!

Could you please tell whether we can assign different colors to different stacks?
Currently, all the stack elements have the same color/type. However, I am wonering whether it would be possible to differentiate the different stacks?

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21 Aug 2012 Berk

Berk (view profile)

21 Oct 2011 grega

grega (view profile)

Nice one! Works! Example makes it clear! Thank you!

14 Sep 2011 Evan

Evan (view profile)

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Example usage:

NumStacksPerGroup = 3;
NumGroupsPerAxis = 6;
NumStackElements = 4;

% labels to use on tick marks for groups
groupLabels = { 'Test'; 2; 4; 6; 8; -1; };
stackData = rand(NumGroupsPerAxis,NumStacksPerGroup,NumStackElements);

plotBarStackGroups(stackData, groupLabels);
set(gcf,'Position',[100 100 720 650])
grid on
set(gca,'Layer','top') % put grid lines on top of stacks

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