[R-sig-Geo] spatial point pattern with correlation structure

Roger Bivand Roger.Bivand at nhh.no
Tue Nov 9 19:21:55 CET 2010


On Tue, 9 Nov 2010, Patrick Giraudoux wrote:

> Dear all,
>
> I was wondering if there is an easy way to generate coordinates of clustered 
> spatial point pattern.(possibly with variations on the degree of 
> aggregation).
>
> So far one can easily generate random patterns (splancs: csr; sp: spsample) 
> or regular (sp: spsample or some simple lines of programme), but I cannot 
> find out if there is some existing function in R capable of generating some 
> points clustering...

In splancs, the pcp.sim() function is one possibility. However, there are 
many more in spatstat, with rpoispp() as a very interesting possibility to 
use an image to introduce inhomogeneity into the pattern.

Hope this helps,

Roger

>
> Any suggestion welcome,
>
> Best,
>
> Patrick
>
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-- 
Roger Bivand
Economic Geography Section, Department of Economics, Norwegian School of
Economics and Business Administration, Helleveien 30, N-5045 Bergen,
Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43
e-mail: Roger.Bivand at nhh.no



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