Use patch() with boxplot

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daniel125
daniel125 2023-10-24
评论： daniel125 2023-10-25
Hi
I have a boxplot and want to color the chart area behind it.
How it that possible?
I am using patch und boxchart right now. But the boxplot overrides the patch, and if I use the patch after the boxplot its overlaying the boxplot.
I simply need a colorized area below a yline. maybe there is a different way to do so.
greetings

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回答（1 个）

Walter Roberson
Walter Roberson 2023-10-24
Ran in:
fill(rand(1,5)*3, rand(1,5)*sqrt(2), 'g');
hold on
boxplot(rand(5,3))
hold off
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Rik
Rik 2023-10-24
编辑：Rik 2023-10-24
Ran in:
Perhaps the OP doesn't have the stats toolbox, and therefore needs the boxchart function. The boxchart function converts the x-axis to categorical, so you need to massage the inputs a bit.
fill(rand(1,5)*3, rand(1,5)*sqrt(2), 'g');
hold on
ydata = rand(5,3);
xdata = ( 1:size(ydata,2) ).*ones(size(ydata)); % use implicit expansion
boxchart(xdata(:),ydata(:))
hold off
daniel125
daniel125 2023-10-25
Thanks. You are right, I don't have that toolbox.
I also had to switch from categorical xaxis for the boxchart
xdata = ( 1:size(ydata,2) ).*ones(size(ydata)); % use implicit expansion
helped a lot

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