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How to plot using "Hierarchically grouped boxplot"?
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I would like to draw a boxplot with two sets of data to compare. I am willing to use "Hierarchically grouped boxplot" a function which I found on the mathworks.com in the file exchange. I could just plot one set of my data using this function. I was wondering how I can use this function to plot two sets of data together. I drew the second set of data in red one by hand to show what I am trying to plot!
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/156651/image.gif)
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Kelly Kearney
le 26 Sep 2016
You can do something similar to this with my boxplot2.m function (sorry, the GitHub page isn't well-documented... I'll correct that shortly). It's specifically designed to plot boxplots using a similar layout as grouped bar plots:
% Some fake data
data1 = randn(6,5,100); % # groups x # boxes in each group x # data points
data2 = randn(6,3,100)+ 5;
x = (2001:2006)';
# Plot boxplots
h1 = boxplot2(data1, x);
h2 = boxplot2(data2, x);
# Change colors from default
set(h1.box, 'color', 'b');
set([h1.lwhis h1.uwhis], 'linestyle', '-', 'color', 'b');
set(h1.med, 'color', 'b');
set(h1.out, 'marker', '.', 'color', 'b');
set(h2.box, 'color', 'r');
set([h2.lwhis h2.uwhis], 'linestyle', '-', 'color', 'r');
set(h2.out, 'marker', '.', 'color', 'r');
set(gcf, 'color', 'w');
export_fig('boxplot2ex', '-png', 'nocrop');
set(h2.med, 'color', 'r');
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/175110/image.png)
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Hydro
le 28 Déc 2017
Hello Kelly, I am trying to adapt your code of boxplot2 for my data but all in vain. The first 5 columns represent data for RCP4.5 while the next 5 RCP8.5. Row 1:360 is monthly data from 2011-2040, and the rest for 2041-2070. I want to boxplot the 2011-2040 of RCP45 vs RCP85 such that column1 of RCP45 is plotted adjacent to column1 of RCP85 and likewise for the rest columns. On the right side of the figure, I want to plot the data same way for the year 2041-2070. Here is what i thought of doing manually and then tried to used your code but couldnt get it.
Fake_Data=rand(720,10);
x1 = {'RCP45_1' 'RCP45_2' 'RCP45_3' 'RCP45_4' 'RCP45_5'}
x2 = {'RCP85_1' 'RCP85_2' 'RCP85_3' 'RCP85_4' 'RCP85_5'}
h1=boxplot2(Fake_Data(1:360,x1));
h2=boxplot2(Fake_Data(1:360,x2));
% the following should come on the right side of the figure
h3=boxplot2(Fake_Data(361:end,x1));
h4=boxplot2(Fake_Data(361:end,x2));
Any help would be highly appreciated.
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