[STATSGRASS] Another problem with kriging (gstat)
Jarek Jasiewicz
jarekj at amu.edu.pl
Mon Sep 4 09:49:27 EDT 2006
Edzer J. Pebesma napisał(a):
> Jarek Jasiewicz wrote:
>
>> After kriging (in fact, with strongly chaotic data) I recived
>> atrefacts (noisy elipses with values far from data range) in some
>> places.
>>
>> For now I can't place image on www but if somebody is intersting, I
>> can send image with addational patameters about kriging made
>
> This may be caused by several factors; without more knowledge about
> your analysis we can't say anything. One possible reason is
> observations that are very close in space (in combination with no
> nugget effect).
>
> Best regards,
> --
> Edzer
no, nugget is very LARGE (data are chaotic, almost random), in my
opinion data are not to do kriging, the aim is slighty different, I only
interested in reasons of such element like in attachment
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