Hello, My primary interests are with GIS, Environmental Modelling, CBR and AI. The concept I am grappling with at the moment is; Can spatial problems be...
434
Martin Dillon
martind@...
Jul 30, 1997 10:17 pm
Hello... I'm hoping to find some code or ideas that will help me to generate artificial dispersions of points upon a 2 dimensional landscape, that when ...
433
Alison_Riding@...
Jul 25, 1997 8:50 pm
I know this isn't geostats, but maybe someone can help me with this associated topic: Does anyone know of a shareware S-Plus function to carry out Mantel tests...
432
Jeffrey G. White
jgwhite@...
Jul 17, 1997 4:46 pm
One approach you might consider is that of "sensitivity" analysis, i.e., you krige several times using each of your variogram models to determine how much...
431
Edzer J. Pebesma
E.J.Pebesma@...
Jul 17, 1997 4:22 pm
... You can ``fake'39; zonal anisotropy by geometric anisotropy. I think both Isaaks&Srivastava (Applied Geostatistics) and Deutsch&Journel (GSLIB) write about...
430
Chaosheng Zhang
chaosheng.zhang@...
Jul 17, 1997 12:20 am
Dear colleagues, Question: How to model the variograms of a zonal anisotropy? I'm dealing with an area of 75km*75km, with heavy metal contents in 747 samples....
429
Mohammad J Abedini
mabedini@...
Jul 16, 1997 7:16 pm
Greetings ... A while ago, I raised the same question on this forum. Based on the responses that I received from my dear colleagues, I realized that I should...
428
Javier Gallego
javier.gallego@...
Jul 16, 1997 9:24 pm
In my previous message sent today, there was a typing error: curricula are to be sent to guido.schmuck@... Javier Gallego -- *To post a message to the list,...
427
Javier Gallego
javier.gallego@...
Jul 16, 1997 6:35 pm
We might have have a possibility (it is not sure) to get a post-doc grant for two years to work on the "re-engineering of European rapid crop area change...
426
J. Felipe Costa
costa@...
Jul 16, 1997 12:56 am
Dear John, Since the problem you posed consist in checking discrete (very dense) block model interpolated from a sparsely sampled data set, I would try a cross...
425
Jennifer Dungan
jdungan@...
Jul 14, 1997 9:33 pm
... One appropriate method would be the practice used in comparison of thematic maps generated using remotely sensed data (usually used with the raster, or ...
424
jchristensen@...
Jul 14, 1997 6:10 pm
Dear Geostats subscribers, I am a fisheries biologist in somewhat of a dilemma. Let me first attempt to specify the problem: I have constructed an...
423
Stephan Pollard
sp@...
Jul 14, 1997 7:24 am
(Please forgive any multiple messages from crossposting.) *** ANNOUNCING *** the Release of the SECOND EDITION of the ... http://www.cast.uark.edu/jpgis/ by ...
422
Gregoire Dubois
gregoire.dubois@...
Jul 9, 1997 12:21 am
Greetings to all, no idea what is going here but it seems to be the server of the AI-GEOSTATS web pages (not the mailing list) has problems. I hope it will be...
421
Gregoire Dubois
gregoire.dubois@...
Jul 7, 1997 6:36 pm
Greetings to all, I will be away for a long time: from the 12th of July until the 20th of August. Therefore next updates of the archives will be made only...
420
Greg Dutkowski
G.Dutkowski@...
Jul 4, 1997 3:53 am
Hello. I am a Ph.D student working on using spatial analysis for the improved analysis of a variety of traits in tree breeding trials. I have found a number...
419
Gregoire Dubois
gregoire.dubois@...
Jul 3, 1997 4:00 pm
Second International Symposium on Sensitivity Analysis of Model Output (SAMO 98) Venice, Ca' Dolfin, April 19-22 1998 ***************** Final Call for Papers ...
418
Uwe Buczko
buczko@...
Jul 3, 1997 2:01 pm
Dear geostats list subscribers, I am trying to model the spatial distribution of hydraulic properties within the unsatured zone of lignite spoil heaps. It...
417
Gregoire Dubois
gregoire.dubois@...
Jul 2, 1997 10:16 pm
Sorry to disturb again about SIC (should be one of the last postings on AI-GEOSTATS about it ...) DEM & contours are available now. I will try to do my best to...
416
Tom€ ˘ás Esol€ ˘á Mu€...
esola@...
Jul 2, 1997 2:26 pm
Hello Everybydy. I'm a tecnic mines engineer and now I'm working about geostatics in my final carreer tesis. Does somebody nows if there is any publication,...
415
Gregoire Dubois
gregoire.dubois@...
Jul 1, 1997 10:43 pm
Greetings to all, sorry the SIC 97 committee has taken so long to start SIC 97, but it has been very difficult to organize everything by email/phone. So here...
414
Edzer Pebesma FGB
pebesma@...
Jun 30, 1997 4:41 pm
... This involves distributional assumptions (e.g. normality) in the log space (the mean and median should coincide there for this to hold). Without these...
413
Syed.R.Syed@...
Jun 30, 1997 9:59 am
Simply exponentiating a kriged value obtained in log space without theoretical correction introduces a bias. That expectation in log space (your kriging)...
412
Syed.R.Syed@...
Jun 30, 1997 9:59 am
two cents worth: 1) Again, consider the objectives of the mapping process. Obviously, a map for fluid flow simulations (in an oil field or a nuclear waste...
411
W.L. Osburn
wlosburn@...
Jun 27, 1997 9:26 pm
To continue the data distribution discussion. My organization has ground water quality data that is non-normal in its distribution. Most of the variables are...
410
Bill Osburn/SJRWMD
Bill_Osburn/SJRWMD.SJ...
Jun 27, 1997 9:26 pm
subscribe ai-geostats -- *To post a message to the list, send it to ai-geostats@.... *As a general service to list users, please remember to post a...
409
Swantje Lindner
lindner@...
Jun 27, 1997 8:21 pm
... I cannot suggest a reference, but here are some ideas: Above all, a non-normal data set will influence the variogram or covariance function. The variogram...
408
Francois Beckers
beckers@...
Jun 27, 1997 11:51 am
Hi all, I have a question regarding the validity of the model of coregionalization in the bivariate case. Consider the situation where the 2 autocovariance...
407
Francois Beckers
beckers@...
Jun 27, 1997 11:51 am
Hi all, I have a question regarding the validity of the model of coregionalization in the bivariate case. Consider the situation where the 2 autocovariance...
406
Samantha (Sama) Low C...
s.lowchoy@...
Jun 27, 1997 6:59 am
Hi Laura, As a statistician, I can help you with your question 2 on tests for normality. I wonder if any geostatisticians currently find these things useful? ...