Message-ID: <50F2ECD0.1050209@uni-muenster.de>
Date: 2013-01-13T17:20:16Z
From: Edzer Pebesma
Subject: Localized krigeST
In-Reply-To: <CAMp9JaMkgZObsi58qzuOrGVxeHh1qU-C5ExmA2iVpfqoDEFMLw@mail.gmail.com>
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
>
> [[alternative HTML version deleted]]
>
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--
Edzer Pebesma
Institute for Geoinformatics (ifgi), University of M?nster
Weseler Stra?e 253, 48151 M?nster, Germany. Phone: +49 251
8333081, Fax: +49 251 8339763 http://ifgi.uni-muenster.de
http://www.52north.org/geostatistics e.pebesma at wwu.de