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I am studying the use of GRASS GIS within QGIS and I need a little help with the understanding of the v.kernel module. I didn't find any human help within the manual (very cryptic)

I have a point data vector and I need to study the density of the points distribution in my mapset using a bandwidth of 1000 meters.

How do I set the parameter <stddeviation>, or in other words ... what is this parameter related to? What is the correct use of this parameter in relation with the settings of the bandwidth? Can I simply set the parameter with a value of 1000?

marked as duplicate by underdark Nov 25 '17 at 17:06

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Standard deviation is one parameter that is needed when using Gaussian Kernel Shape. Depends on how big your standard deviation is, it will influence the estimation value. Refer to this post to get more understanding about Kernel Density Estimation

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