[R-sig-Geo] which variogram's sill , nugget and range
Edzer J. Pebesma
e.pebesma at geo.uu.nl
Fri Apr 13 09:20:51 CEST 2007
temiz wrote:
> hello
>
> when I create a directional variogram, it usually gives different
> shaped variograms according to its direction.
> (like this cvgm <- variogram(z ~1, data=el4 ,boundaries = seq(0,2000, by
> = 50), alpha=c(0,45,90,135,180,225,270)) )
>
> In these cases, which variogram's sill , nugget and range are
> picked up for krig estimation ?
>
> regards
>
>
>
I guess you found out by now -- sill nugget and range are derived from
the variogram model (output of vgm) rather than from the sample
variogram (output of variogram()).
--
Edzer
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