[ai-geostats] cokriging or not

2006-03-24 Thread Törneman Niklas
Hello list I have a soil parameter that exhibits clear spatial autocorrelation with a nice semivariogram. I have a secondary parameter which exhibits no spatial autocorrelation and consequentlyI can not model any semivariogram parameters. The reason is most probably too few data.

VB: [ai-geostats] Suggestions on geo-spatial modeling in insurance

2006-03-17 Thread Törneman Niklas
Title: Suggestions on geo-spatial modeling in insurance One suggestion is to use the GeoDa software for spatial data analysis (https://geoda.uiuc.edu/default.php). The software includes several options for spatial regression models. cheers Niklas Niklas

SV: [ai-geostats] RE: kriging without a nugget

2006-03-07 Thread Törneman Niklas
Thanks for the informative answers. This is really a great forum!! I feel that I am bit further down the road to understanding the issue. I will consult the textbooks and return with some follow up questions. One issue is (I think) that it is quite difficult to obtain information as to

[ai-geostats] kriging without a nugget

2006-03-06 Thread Törneman Niklas
Hi All, I am sort of a beginner within this field and my question might seem a bit simple. Any help would be appreciated however. In commercial all purpose software's such as SURFER there is an option to exclude the nugget effect from the kriging interpolation. The purpose is to ensure