[R-sig-Geo] Localized krigeST

[Edzer Pebesma]

On 01/12/2013 05:46 PM, Piero Campalani wrote:
> Dear list,
> 
> is there a way restrict the search spatial radius in a spatiotemporal
> prediction with gstat::krigeST() (separable covariance models)?
> In the help page I can see that further arguments ("...") are passed to the
> gstat function, but it seems that e.g. "nmax" is ignored.

not within krigeST, you'd have to write a loop around it that selects
the data used for kriging at a particular set of prediction locations/times.

things like nmax or radius are obviously not defined in space-time...
I'll add sth to the docs in this respect.

> 
> In the usual spatial prediction, the parameters for localized kriging
> needed to be specified upon creation of the gstat object (and not during
> prediction with krige/precict), so probably something needs to be set when
> creating a ST*DF?
> 
> Piero
> 
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-- 
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