Dear list, Anybody knows about references on determining 3D variograms and indicator variograms for facies distribution from outcrop data? thanks all -- ...
1973
Mach Nife
machnife@...
Apr 4, 2005 3:33 pm
In fact, what I really needed to achieve was something only "good looking" I guess. A "good looking, not too much scientific, smooth" surface! ;-) I finally...
1974
Gregoire Dubois
gregoire.dubois@...
Apr 7, 2005 12:14 pm
Dear list, While playing around with different software, I encounter different definitions for standardized variograms. Surfer (which is using the terminology...
1975
Isobel Clark
drisobelclark@...
Apr 7, 2005 12:14 pm
Gregoire Michel David coined the term "relative semi-variogram" back in the 70s for what I think you mean by general relative -- that is, each lag is divided...
1976
bob sandefur
rsandefur@...
Apr 7, 2005 12:14 pm
Hi- I was doing some work on the uncertainty in plan areas based on hits or misses on a more or less regular grid and was going to use an indicator variogram...
1977
Gregoire Dubois
gregoire.dubois@...
Apr 7, 2005 12:15 pm
Thanks to all who kindly took the time to reply to my question. I believe your replies will further help to be more careful when using geostatistical software...
1978
MARTINEZ VARGAS Adrian
martinez@...
Apr 7, 2005 12:15 pm
estimate mail list I have a data with multiple categories variable and I'm interesting in classification and relation description with continuous variables,...
1979
Mach Nife
machnife@...
Apr 7, 2005 12:17 pm
10 lin(2000) is a linear model, used by Gstat software, with a sill of 10 and a range of 2000 meters. Regards, NoName ... __________________________________ Do...
1980
Pierre Goovaerts
Goovaerts@...
Apr 7, 2005 12:18 pm
Hi Gregoire, I agree with you regarding the merits of the standardized semivariogram as implemented in variowin software. In one of my last studies, the...
1981
Glover, Tim
ntglover@...
Apr 12, 2005 7:12 am
Here's a somewhat esoteric question for those of you who've had direct contact with the early giants in the field (on whose shoulders we now stand): What is...
1982
Ted Harding
Ted.Harding@...
Apr 12, 2005 7:12 am
... Without such direct contact, I think one can nevetheless answer by appeal to first principles. "Kriging" was named after Krige, a South African mining...
1983
Meng-Ying Li
mengyl@...
Apr 12, 2005 7:12 am
Since someone started it, let me just follow up the problem with pronunciation: Anyone got an idea how to pronounce GSLIB? Should it be Jee-Ehs-Laib,...
1984
Colin Badenhorst
CBadenhorst@...
Apr 12, 2005 7:12 am
Can I expand on this further? In reports, should kriging, kriged, and krige be written with an uppercase K, or lowercase as shown here? Regards, Colin ... ...
1985
Isobel Clark
drisobelclark@...
Apr 12, 2005 7:12 am
Colin As a personal style, I tend to use a capital when referring to (say) Ordinary Kriging, Indicator Kriging and so on and a small letter when used as a noun...
1986
Ted Harding
Ted.Harding@...
Apr 12, 2005 7:12 am
... Granted, though it's difficult to represent this in script (and I think it's more of a voiced sound, too). ... Also granted, though one should allow for...
1987
Isobel Clark
drisobelclark@...
Apr 12, 2005 7:12 am
... More like the "ch" in the Scottish loch or like the greek letter chi which forms the first letter in Christos. If you want to be pedantic, the technique...
1988
Isobel Clark
drisobelclark@...
Apr 12, 2005 7:12 am
Even stranger when you consider that the Rev Bayes refused to have his work published during his lifetime. Isobel http://geoecosse.bizland.com/whatsnew ... to ...
1989
ercan yesilirmak
ercangreenriver@...
Apr 12, 2005 7:12 am
Dear list members For my study, I need the paper Spatial-temporal Statistical Analysis of Multivariate Environmental Monitoring Data by Mardia, K.V. and...
1990
Glover, Tim
ntglover@...
Apr 12, 2005 7:12 am
Well, well. I didn't expect to start such a tempest with my question! Since I have a last name that many seem to mispronounce (using a long "o" as in "glow"...
1991
Wilmer Rivers
Wilmer@...
Apr 12, 2005 7:12 am
... Poor Mr. Krige. It seems that the people who calculate the Lagrangian multipliers for Bayesian kriging must hold mathematical physicists and even...
1992
Marco Alfaro S.
mas@...
Apr 12, 2005 7:12 am
Hello Colin: See: Geostatistical Glossary and Multilingual Dictionary Edited by Ricardo A. Olea. OXFORD, 1991 Regards, Marco ... De: Colin Badenhorst Fecha:...
1993
kjhok650
Apr 18, 2005 7:26 am
Hello everyone, I apologize if this question is too elementary for this list; The problem is how to quantify and represent the difference between standard...
1994
Lee Sung Soo
lee@...
Apr 18, 2005 7:26 am
Hello everyone, I apologize if this question is too elementary for this list; The problem is how to quantify and represent the difference between standard...
1995
Gregoire Dubois
gregoire.dubois@...
Apr 20, 2005 1:26 pm
Dear list. a bit late but worth to be kept in the archives of the ai-geostats mailing list, here under is a reply from Henri Sanguinetti to my question on...
1996
Digby Millikan
digbym@...
Apr 20, 2005 1:27 pm
Is you model 2 or 3 dimensional what about a map of the errors? Also general statisitics of the populations, e.g. varaiance, coefficient of variation etc....
1997
gianni
gianni.conte@...
Apr 21, 2005 12:29 pm
Hi I'm italian student from Rome and i would want to give my excuses for my poor english in the first place. I have a problem with the gslib, i would know how...
Dear list members, I'm currently working on a large industrial site and we are comparing background (natural+anthropogenic) vs. site (point sources) ...
1999
Din Chen
Din@...
Apr 21, 2005 12:30 pm
Dan Griffith in his book (the Introduction) "Advanced Spatial Statistics" explained exactly how to deal with this problem. You can not use the mean since mean...
2000
Din Chen
Din@...
Apr 21, 2005 12:30 pm
Yes, people are using the T/F-test. However, if they are used for spatial data, you will see a lot of significance even there is none, which is called type-I...
2001
Digby Millikan
digbym@...
Apr 21, 2005 12:30 pm
Colin Badenhorst was discussing using F and T - test's to compare statisitics of two model's, as discussed in most graduate level statistics text's e.g. Miller...