[STATSGRASS] R/grass, numerical instability/kriging

[Edzer J. Pebesma]

Tomas,

There's a few possible of reasons; the most common ones are more than 
one measurement sharing the same location, or insane variogram models in 
kriging; anothers is perfectly correlated predictors, possibly in a 
local search neighbourhood..

We need to see more from your case to find out.

Best regards,
--
Edzer

Tomas Lanczos wrote:
> Hello,
>
> how can I prevent numerical instability in kriging? Using R with grass63,
> library gstat.
>
> Many thanks
>
> Tomas
>
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