Can I plot multiple polar histograms together?

Asked by Heidi Hirsh on 6 Feb 2019

Latest activity Answered by Heidi Hirsh on 14 Feb 2019

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I am trying to plot 13 weekly polar histograms to convey wind data. I tried using subplot but it doesn't seem to like the histograms. Is there a different function I should use. I want something like this (forgive the poor ppt execution!):

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Answer by Shane L on 6 Feb 2019

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The problem is that subplot creates axes, whereas polarhistogram requires polar axes (see polaraxes). I don't know of an equivalent function to subplot for creating polar axes, but you could try this workaround: use subplot to autmoatically create axes in a grid, then create polar axes using the position of each subplot, and then delete the original axes. See below for an example on a random dataset:

theta = randn(1000,1); % random dataset
for ii = 1:13
axesHandle(ii) = subplot(3,5,ii);
polarAxesHandle(ii) = polaraxes('Units',axesHandle(ii).Units,'Position',axesHandle(ii).Position);
delete(axesHandle(ii));
polarhistogram(polarAxesHandle(ii),theta+2*pi*rand)
end

This code produces the following:

You can then add a legend and format the appearance of the polar axes.

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Answer by Heidi Hirsh on 14 Feb 2019

A friend showed me this page and it works too!

https://www.mathworks.com/help/matlab/ref/subplot.html#bvnckvm-1

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