How to plot this frequency graph?

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BN 2021-10-9

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https://ww2.mathworks.cn/matlabcentral/answers/1470516-how-to-plot-this-frequency-graph

评论： BN 2021-10-10

采纳的回答： Chunru

在 MATLAB Online 中打开

Dear all,

I have runoff and precipitation data (as I attached), how I can achieve such a plot?

I tried this script:

histogram2(precipitation,runoff,'Normalization','count')

But it seems wrong and the range of x and y lines doesn't set between 0 to 1. The name of this plot below is bivariate frequency graph which is a histogram of precipitation and runoff.

Thank you in advance

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Ive J 2021-10-10

在 MATLAB Online 中打开

Do you mean something like this?

pn = normalize(precipitation, 'range');
rn = normalize(runoff, 'range');
histogram2(rn, pn)

BN 2021-10-10

Yes, Thank you, and why do I have blank mosaics in the plot? is there any way to force it to show zero values, instead of leaving them blank? thank you

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