My goal is to make the class boundary of a kernel density dependent on a percentage of the input points. Specifically I calculate the kernel density from 3000 points in a 50m x 50 m grid with a search radius of 16000 m in an area of about 357386 km². Now I want to divide the density result raster into two classes. One class should contain 75% of the original points and the other class with the highest density values should contain 25% of the original points. So I want to set the threshold value for a density to a percentage of the original data. Unfortunately, I have not yet found a way to make the class boundary dependent on the percentage of the original data points. Is this even possible? I would be very happy about support. I work with ArcGIS 10.6.

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I have a solution: - Multipart To Singlepart - Multipoint feature class to single point - Kernel density - extract multi values to points - Sort table of input points with density values in ascending order and read off threshold value;

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