How to create 'density' plot from 2d scatter data

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Donovan Chin 2012-4-5

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回答： AnnArborObserver 2016-8-31

How to create 'density' plot from 2d scatter data?

I have 2D scatter data, and i would like to determine the density of points (count) within a user defined 'grid' over the data.

The density would then be used to contour with or a type of heat map

i would like to make a plot like the following: http://www.gpsworld.com/gis/gss-weekly/gis-meets-march-madness-using-spatial-data-analyze-basketball-team-and-player-perform

regards, Donovan

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Dr. Seis 2012-4-5

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https://ww2.mathworks.cn/matlabcentral/answers/34633-how-to-create-density-plot-from-2d-scatter-data#answer_43437

Check out the example for hist3 in the Help navigation window... maybe useful here.

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Donovan Chin 2012-4-5

Thanks for the great start. regards

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AnnArborObserver 2016-8-31

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https://ww2.mathworks.cn/matlabcentral/answers/34633-how-to-create-density-plot-from-2d-scatter-data#answer_233263

Another option is histogram2.

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MATLAB Graphics 2-D and 3-D Plots Data Distribution Plots Scatter Plots

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