[GRASS-user] v.kernel - Points weighted with attribute ?

Moritz Lennert mlennert at club.worldonline.be
Fri Oct 25 03:18:17 PDT 2019


On 25/10/19 11:17, Taïs wrote:
> Hi Micha,
> 
> 
> I successfully run your R script. However to output is weird and I don't 
> know how to fix it.
> 
> In v.kernel, you can setup the "raduis" parameter to control what I 
> assume to be the size of the kernel (of the moving window).

AFAIU, radius is not the size of a moving window, it is the bandwidth of 
the kernel function. If you use a gaussian kernel, for example, it will 
be the standard deviation of the normal function to be used. If you use 
a uniform kernel it is the radius of the circular search window.

Moritz


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