[ai-geostats] variogram parameters

2006-02-14 Thread Charles Serele
Hi All,   I would like to use the Ramstein and Raffy (1989) algorithm below for automatic extraction of variogram parameters (sill (C) and range (a)).   My question is, if I have an image on which I use a moving windows of 11 x 11 for instance, is this algorithm mean that for each position o

[ai-geostats] Geostats Scam continued

2006-02-14 Thread Edward Isaaks
Hello List FYI, a few comments related to the ongoing discussion re Geostats Scam. Stephen Henley makes some valid points on the shortcomings of geostatistics. In particular, I have also been troubled by the application of models "invariant under spatial translation" to real world data. "The pro

[ai-geostats] Geostats Scam continued

2006-02-14 Thread Edward Isaaks
Hello List FYI, a few comments related to the ongoing discussion re Geostats Scam. Stephen Henley makes some valid points on the shortcomings of geostatistics. In particular, I have also been troubled by the application of models "invariant under spatial translation" to real world data. "The pro

[ai-geostats] Re: Geostats Scam continued

2006-02-14 Thread Isobel Clark
O boy, I wish my world included the kind of data which would allow modelling of anisotropy on a 10m scale! I am full of envy.   Isobel http://www.stokos.demon.co.ukEdward Isaaks <[EMAIL PROTECTED]> wrote: Hello ListFYI, a few comments related to the ongoing discussion re Geostats Scam.Stephen H