Dear Rubens, removing pairs from a semivariogram is OK if you can justify the reason why you are doing so. One usually remove pairs because they influence the...
Dear all, I'm using a MATLAB program to plot covariance (and to find a model, as we usually do for variagrams in Geostatistics). Till today I've just used lag...
Dear All, I am new to spatial statistics and am posting this query in the hope that someone may be able to point me in the right direction. I am a biological ...
... -- * To post a message to the list, send it to ai-geostats@... * As a general service to the users, please remember to post a summary of any useful...
Dear Jason, I saw few replies to your question and I can imagine you are a bit lost with these technical terms that are not documented in Arc/Info's manual. ...
... c0 is standard notation for the 'nugget effect' or small scale random (unpredictable) component. Some schools interpret this as sampling error. In mineral ...
SIMMAP is a simple software for the simulation of categorical landscape spatial patterns that runs on a PC-Windows environment and is distributed without...
Hi again and thanks for your answers, you have really helped me out. Here are the answers I have received so far: ______________________ Pierre Goovaerts...
Hi everybody, I feel confused and really need some help to straighten things out. I am currently working with geostatistical methods for marine geological...
I would like to thank Benjamin Warr for his siggestion about doing difference images instead of global measures as MSE. I'm confused because crossvalidation...
Aargh! Stop stop. They are gone! I have a waiting list of 10 for my IAMG and C&G and am getting repetitive strain injury from typing apologies. If anyone else...
Dear Mercedes, doing k fold cross validation (taking out X % of the samples) will not give you any reliable results unless you repeat the operation several...
Greetings! At the suggestion of Isobel Clark, I have just joined this list. Below is a message I already posted to the allstat mailing list, and Isobel has...
Is anybody interested in 25 years worth of the Journal of the International Association of Mathematical Geology and/or Computers and Geosciences? I have...
Hi Folks! This is my first post to this list. Hope it is not out of place. I need a way to compare two small populations (very small sample sizes..5 and...
... At the risk of having my knuckles rapped again, this issue is explained clearly in Chapter 3 of Practical Geostatistics 1979 by Isobel Clark, which is...
Moving entities leave continuous space-time tracks. These may be trucks, animals, ships, etc. We often sample these tracks so that the location of the entity...
Our department at Sandia National Laboratories in Albuquerque, New Mexico, USA is looking for a permanent hire in the general area of spatial statistics. The...
I would like to thank all the suggestions I received to work with data at different resolutions. In some of the suggested papers, the performance of the...
Dear all: does anyone help me about deleting some pairs using Variowin? This option (F11) appears inactive when I am trying to look at the pairs. thanks a lot...
Greetings Dear Members, My question will be brief and stems from my own confusion regarding 'regression kriging'; Basically, what is the difference between...
I'm working with field data (plots of 25 x 25 m) and satellite images (Landsat 25 x 25 m and Ikonos 4 x 4 m). I've been using some geostatistical procedures...
Hello, I am a newbie to this list and to the areas of spatial statistics. I am currently using the HUFF spatial function, but I heard there is a new algorithm....
Dear listmembers, I have a question: "How much of the world's forests are located on slopes greater than 10%?" Ideally, an answer would consist of a frequency...
Those of you interested might like to know that the textbook Practical Geostatistics 2000 (by Isobel Clark and Bill Harper) is being adopted for teaching ...
For those of you who happen to live in the Denver, Colorado area, I will be giving a half-day seminar on geostatistical applications at the former Rocky Flats...
Hi All, When performing SIS we have a choice of the max. no. of data nodes and simulated nodes to use . Is there a general rule defining the number of ...
Ooops! The seminar is on December 12, 2000. Jeff -- * To post a message to the list, send it to ai-geostats@... * As a general service to the users,...
Hello all... I don't think I'm yet worthy of this list since I am in the very beginnings of learning the art of GIS. I'm currently taking an introductory...
