[R-sig-Geo] sampling with a "cluster" constraints

[Roger Bivand]

Just a thought - spatstat? This has had line segements too for some time, 
maybe chapter 17 in the spatstat book?

Roger

On Thu, 22 Mar 2018, Patrick Giraudoux wrote:

> Dear Listers,
>
> Everybody is probably used with sp:spsample, which permits to produce
> points locations at random or on a regular grid. Is anybody aware of a
> package permitting similarly to produce points locations in a field with
> various degrees of clustering. The idea is to produce points in a field
> with various degrees of clustering repetedly,  and to compare statistics
> to observed data.  E.g. observations in the real world are clustered;
> one computes a statistics, e.g. the distance of each observation to a
> feature (e.g. to a road network); then one compute B=999 similarly
> clustered distributions randomly and the corresponding statistics. This
> would allow to compute how likely the observed statistics is.
>
> Any hint welcome!
>
> Best,
>
> Patrick
>
>
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>
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-- 
Roger Bivand
Department of Economics, Norwegian School of Economics,
Helleveien 30, N-5045 Bergen, Norway.
voice: +47 55 95 93 55; e-mail: Roger.Bivand at nhh.no
http://orcid.org/0000-0003-2392-6140
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