[R-sig-Geo] Spatial sampling design using information more than spatial coordinates [SEC=UNCLASSIFIED]

[Roger Bivand]

On Thu, 2 Apr 2015, Jin.Li at ga.gov.au wrote:

> Hi All,
>
> I need to consider both spatial information and another variable (e.g. 
> elevation, soil type) in a sampling design. It seems the available 
> libraries (e.g. sp and spcosa) in R for spatial sampling design are 
> unable to handle it. Please correct me if I am wrong. Before I start to 
> develop my own function for it, I would like to confirm if I have missed 
> some other functions that are available for it in R.  Any suggestions 
> and advice? Thanks in advance!

Have you looked at spsurvey? It may not provide what you need, but 
checking it would probably help you see whether there is anything meeting 
your needs. Otherwise you might need to stratify first on your covariates.

Roger

>
> Regards,
> Jin
>
> Jin Li, PhD
> Spatial Modeller/Computational Statistician  |  National Earth and Marine Observations Group
> Environmental Geoscience Division  |  GEOSCIENCE AUSTRALIA
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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; fax +47 55 95 91 00
e-mail: Roger.Bivand at nhh.no