discrete joint probability distribution
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Hi
I want to build the discrete joint probability distribution for two set of data. data are two groups of random numbers (wind speed) and (wind direction degree). the final results must be like table below.
Pij in the Table are numbers (probability values).
Which function should I use to do this?
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/156837/image.png)
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Accepted Answer
Peng Liu
on 2 Oct 2016
You need to compute the histogram count for every pair (theta_i, v_j), and then normalize it by the sample size. Thus, histcounts2 will help.
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Peng Liu
on 5 Oct 2016
You can specify any specific edges you want using the syntax: [N,Xedges,Yedges] = histcounts2(X,Y,Xedges,Yedges)
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