Re: AI-GEOSTATS: kriging variance as a function of sampling density

2006-08-16 Thread D G Rossiter
I believe she is referring to the OSSFIM method developed by Webster McBratney Burgess, T.M., R. Webster, A.B. McBratney (1981) Optimal interpolation and isarithmic mapping of soil properties. IV Sampling strategy. The journal of soil science 32(4), 643-660. McBratney, A.B., R. Webster

AI-GEOSTATS: Sampling problem

2006-08-16 Thread Peter Bossew
Dear list: I have the following sampling problem. Given a rectangular regular grid of c columns and r rows (say 10*10), consisting of c*r cells of equal size. I want to chose n cells (say 15 out of 100 cells), which can be interpreted as samples with support equalling the size of one cell, taken

AI-GEOSTATS: Re: Detrending the heads

2006-08-16 Thread Isobel Clark
RajniYou could download our free tutorial from the site http://www.kriging.comThere are lots of ways to detrend the data, this illustrates one of the simpler ways.IsobelRajni Gaur [EMAIL PROTECTED] wrote: Dear List members,I am working on the kriging of piezometric head data using the