[R-sig-Geo] gstat/R indicator co-kriging
Edzer Pebesma
edzer.pebesma at uni-muenster.de
Fri Apr 2 22:02:26 CEST 2010
Lukas Brodsky wrote:
> Hello,
> is there any example on indicator co-kriging in gstat/R?
demo(cokriging)
> Any suggestion for creating a map (e.g. indicator) of binary variable
> for which I have co-variable that is co-located and is known at each
> prediction location? The binary variable has also known property (in
> sampled limited points) that is continuous but only in case of binary
> variable = 1.
>From the non-Bayesian geostatisical side, methods adopted here include
colocated cokriging; another option might be kriging with external
drift/universal kriging, although I'm not so sure how much sense this
makes for indicators.
--
Edzer Pebesma
Institute for Geoinformatics (ifgi), University of Münster
Weseler Straße 253, 48151 Münster, Germany. Phone: +49 251
8333081, Fax: +49 251 8339763 http://ifgi.uni-muenster.de
http://www.52north.org/geostatistics e.pebesma at wwu.de
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