[R-sig-Geo] covariance matrix

[Hodgess, Erin]

Thanks to all for the good help...it's great!

Sincerely,
Erin

________________________________________
From: r-sig-geo-bounces at r-project.org [r-sig-geo-bounces at r-project.org] on behalf of Edzer Pebesma [edzer.pebesma at uni-muenster.de]
Sent: Thursday, December 05, 2013 2:56 AM
To: r-sig-geo at r-project.org
Subject: Re: [R-sig-Geo] covariance matrix

Erin,

http://ifgi.uni-muenster.de/~epebe_01/mstp/lec5.html
http://ifgi.uni-muenster.de/~epebe_01/mstp/lec7.html

contain some "minimal", one-dimensional kriging functions that I used in
my class recently.

R markdown source files are on https://github.com/edzer/mstp

On 12/05/2013 04:36 AM, Hodgess, Erin wrote:
> Hi!
>
> Here is a goofy question, please:  how do I get the covariance matrix based on the estimated model, say exponential, please?
>
> I was looking at the "variogram" function in gstat and I think that the gamma values may be part of the solution, but I'm not sure how to finish it out.
>
> I'm experimenting with putting together a toy data set through the variogram and kriging process by hand (to a certain extent)
>
> Thanks for any help!
> Sincerely,
> Erin
>
>
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>
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--
Edzer Pebesma
Institute for Geoinformatics (ifgi), University of Münster
Heisenbergstraße 2, 48149 Münster, Germany. Phone: +49 251
83 33081 http://ifgi.uni-muenster.de GPG key ID 0xAC227795