how do I add MEAN to Boxplot?

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Mohammed 2016 年 10 月 13 日

I am thinking about locating MEAN as a straight horizontal line or a symbol inside the boxplots for illustration purposes. I would say it is possible since distributions are not significantly skewed. Any suggestions?!
Here is a MATLAB sample code:
rng default % For reproducibility
x1 = normrnd(5,1,100,1);
x2 = normrnd(6,1,100,1);
figure
boxplot([x1,x2],'Notch','on','Labels',{'mu = 5','mu = 6'})
title('Compare Random Data from Different Distributions')
cust_colr = [0, 0.5, 1
0.60156, 0.80078, 0.19531
0.5, 0, 0];
h = findobj(gca,'Tag','Box');
for j=1:length(h)
patch(get(h(j),'XData'),get(h(j),'YData'),cust_colr(j,:));
end
Output picture is shown below:

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採用された回答

michio 2016 年 10 月 14 日
The ability to plot the mean values using boxplot is not available as of release R2016b. To work around this issue, you can find these values and plot them manually. The example below shows how to plot the mean value of each group:
% Generate random data
X = rand(10);
% Create a new figure and draw a box plot
figure;
boxplot(X)
% Overlay the mean as green diamonds
hold on
plot(mean(X), 'dg')
hold off
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Bárbara Antonucci 2021 年 9 月 7 日
Is functionally. Very great!

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その他の回答 (1 件)

Camilo Cárdenas 2022 年 4 月 13 日
Hi, thank you for your post.
I have got a question:
What aboout, if you have more than one box in a Diagramm? How can you assingn it to each group of data?
Thanks!

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