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[ai-geostats] Move of the list to Majordomo@jrc.it

(1)
Dear all, For various technical reasons, AI-GEOSTATS has to move again after 2 years running with the SYMPA mailing list server from the University of
Gregoire Dubois
1
post
May 16, 2006

[ai-geostats] problems with mailing list

(1)
Dear all, I'm currently trying to figure out what is going on with the list server of ai-geostats: 90% of the addresses registered are bouncing and I received
Gregoire Dubois
1
post
May 16, 2006

Re: [ai-geostats] Need your advise

(2)
Dear Experts I have a problem to solve. I want to create a porosity map or a porosity 3D grid or volume out of some borehole information. I am using methods
seba
2
posts
May 5, 2006

[ai-geostats] SGeMS 1.4, a new release

(1)
Dear ai-geostat community, A new version (1.4) of the open source Stanford Geostatiscal Earth Modeling Software, SGeMS, has now been released. You may
Alexandre Boucher
1
post
May 2, 2006

[ai-geostats] RE: Search neighbourhood, conditional bias, etc

(1)
Ps: Found a good start in THE KRIGING OXYMORON: A CONDITIONALLY UNBIASED AND ACCURATE PREDICTOR (2nd EDITION) by Isaaks, but the maths made me see stars... ...
Collier, Perry (TS)
1
post
May 2, 2006

[ai-geostats] Search neighbourhood, conditional bias, etc

(1)
Hi List Maybe this topic has been done to death, but I'd like to poke the carcass if I may... Edward Isaaks via AI (15 February 2006) said of a paper by Van et
Collier, Perry (TS)
1
post
May 2, 2006

Re: [ai-geostats] Re: about cross-validation

(3)
Raimon Tolosana-Delgado, Many thanks. This was very helpful indeed. Regards Mahdi ... -- ... Mahdi Osman (PhD) E-mail: m_osm@... ... Echte DSL-Flatrate
Mahdi Osman
3
posts
May 2, 2006

[ai-geostats] about cross-validation

(2)
Hi Prior to 1983, most people used cross validation to check whether their kriging methods were working or to compare one kriging method with another. After
M. Nur Heriawan
2
posts
Apr 27, 2006

[ai-geostats] Uniform Conditioning Info.

(2)
see Isatis examples in www.geovariances.fr Adrian Martínez Vargas Departamento de Geología ISMM, Las Coloradas s/n Moa, Holguín Cuba CP 83329 ... From:
Colin Badenhorst
2
posts
Apr 27, 2006

[ai-geostats] uncertainty

(1)
Respected List, I have the correlation curves for two different dataset of the same region, at two different timings. I have two equations y=m1x + c1 and
Rajni Gaur
1
post
Apr 21, 2006

[ai-geostats] isatis expertise?

(2)
Dominik As a first pass you should try looking for duplicate values. From my experience Isatis falls over when kriging with duplicate data. Isatis has a
acullma@...
2
posts
Apr 21, 2006

[ai-geostats] CALL FOR PAPERS – NIPS*2006

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CALL FOR PAPERS – NIPS*2006 Deadline for Paper Submissions: June 9, 2006 Submissions are solicited for the twentieth annual meeting of an interdisciplinary
M.O. Franz
1
post
Apr 21, 2006

[ai-geostats] istatis expertise received - more help appreciated

(1)
Dear List, Thank you for all your help: It's been 'duplicates' that caused my problems. Now I'm running into further difficulties: I'm using disjunctive
acullma@...
1
post
Apr 21, 2006

[ai-geostats] Puzzling question

(3)
Hi You could also express the variogram in this other form........ 2gamma(h) = Var{Z(u)-Z(u+h)} = E{[Z(u)-Z(u + h)]^2}-E{ Z(u)-Z(u+h)}^2 the second element of
M.J. Abedini
3
posts
Apr 19, 2006

[ai-geostats] time series

(2)
Yetta, if you are using R, then try ?acf. There is a good intro in MASS4. Also library(tseries). AFAIK, you can use geostatistics on time series, as you would
Yetta Jager
2
posts
Apr 9, 2006
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