Dear list, I have used indicator kriging to interpolate data with lots of zero values. How can I evaluate the quality of my prediction? Is the RMS useful in...
1278
julhendra_solin@...
Nov 3, 2003 9:56 am
Dear All, I have some questions about nugget to sill ratio. What is mean the nugget to sill ratio of the deposit. Why is it low, high? Can we relate the ratio...
1279
temiz
temiz@...
Nov 3, 2003 9:56 am
hello I have spatial point data comprising azimuth direction values (direction from north in clockwise direction). I want to interpolate these data. But there...
1280
Isobel Clark
drisobelclark@...
Nov 3, 2003 9:56 am
Jul The nugget effect is the (semi) variance between two samples which might be taken at almost exactly the same spot. Or, expressed otherwise, the variance of...
1281
temiz
temiz@...
Nov 3, 2003 9:56 am
hello I want to know about therotical basis of Kriging in elemantary level. I will appreciate if anyone sends me address,link,e-documents, etc.. kind regards ...
1282
Ruben Roa Ureta
rroa@...
Nov 3, 2003 9:56 am
Hi people: I am looking for information (journal papers, reports, etc) about the maximum likelihood estimation of variogram parameters and the total of a ...
1283
snehamoy chatterjee
snehamoyc
Nov 3, 2003 9:56 am
hi all i am try to use geoR or geostat for analysis my data set. i have data in .csv format having x,y,z, and %of iron grades. my questions are how i import...
1284
Njeri Wabiri
nwabiri@...
Nov 3, 2003 9:56 am
Hi people I am looking for information (journal papers, reports etc) about stochastic geometry and spatial statistics. My pursope is to explore the intergation...
1285
Roger Bivand
Roger.Bivand@...
Nov 3, 2003 9:56 am
... "R Data Import/Export" (http://cran.r-project.org/doc/manuals/R-data.pdf and included in your R distribution) is your friend, probably function read.csv()...
1286
cuartas oquendo carlo...
chcuartas11@...
Nov 3, 2003 9:57 am
Hi Snehamoy . Excuse my bad English I've imported from .cvs format to R doing the following steps 1) Change the data set from .cvs to txt (in Excel) 2)Go to...
1287
Isobel Clark
drisobelclark@...
Nov 3, 2003 9:57 am
Ahmet Free download of my 1979 book Practical Geostatistics is available in various formats at http://uk.geocities.com/drisobelclark/practica.htm Isobel ...
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Isobel Clark
drisobelclark@...
Nov 3, 2003 9:57 am
Hi guys Sorry, my web site has been suspended for over-trafficking!! Anyone who wants PG1979, please email me. Isobel http://geoecosse.bizland.com/whatsnew.htm...
1289
Din Chen
Din@...
Nov 6, 2003 1:28 pm
I think the SAS procedure "proc mixed" can do all of these. ... From: Ruben Roa Ureta [mailto:rroa@...] Sent: Thursday, October 30, 2003 3:24 PM To:...
1290
Gisbert Schraud
Gisbert.Schraud@...
Nov 6, 2003 1:29 pm
Hi Paolo, Hi Listmembers, ... I've recieved two answers to the problem. Many thanks to Dan Comford and Ben Fang Gisbert ...
1291
Ruben Roa Ureta
rroa@...
Nov 6, 2003 1:29 pm
Hi: Regarding my recent question, i received the replies listed below. Thanks to all those who responded giving me useful hints. Rubén My question: Hi people:...
1292
Ruben Roa Ureta
rroa@...
Nov 6, 2003 1:29 pm
... Thanks, i noticed the publication in a biostatistics series and it's not available right now at Amazon. ... I read the statement in one of Diggle, Ribeiro,...
1293
lisa pizzol
lisa_pizzol
Nov 7, 2003 10:15 am
Hello to everybody, I have to build a semivariogram in 3D and I need to know if I can use the same concepts used for the 2D semivariogram or if the theory is...
1294
Isobel Clark
drisobelclark@...
Nov 7, 2003 10:15 am
Lisa Distances and directions in 3d can be calculated very simply just as in 2d. There is shareware (Geostat Toolbox) and other software out there for 3d. ...
1295
Pierre Goovaerts
goovaert@...
Nov 10, 2003 9:37 am
Hi Lisa, I would recommend that you look at Chapter 16 of Isaaks and Srivastava's book "An introduction to Applied Geostatistics" which offers a very nice ...
1296
lisa pizzol
lisa_pizzol
Nov 13, 2003 8:33 am
Hi to everybody: Regarding my recent question, I received the replies listed below. Thank you very much to all. Lisa My question was: Hello to everybody, I...
1297
ivan ortiz valencia
liov
Nov 13, 2003 8:33 am
HI list I got a problem using PREVAR 2d ( modulo of Variowin ).I used 1550 data points ( irregular ) and a message NOT ENOUGH MEMORY. But when I used another...
1298
ivan ortiz valencia
liov
Nov 13, 2003 8:33 am
I am sending the answers I got. Many Thanks to Maria, Oliver, Peter and Ed. IVAN ivan, or you have too many data points (i don't think so) or you are using an ...
1299
Daniel Gavin
dangavin100
Nov 13, 2003 8:33 am
Hello, This is my first posting here, and I apologize if this is off-topic, not being a strictly geostatistics problem. I am considering using the...
1300
sebastiano trevisani
sebastiano.trevisani@...
Nov 13, 2003 8:33 am
HI list members! Some one of you know if there is some way to get Gslib fortran 90 source code (not fortran 77)? Thank you in advance Bye Sebastiano Trevisani ...
1301
Gregoire Dubois
aigeostats
Nov 18, 2003 8:49 am
Just to let you know that the following information has been updated on AI-GEOSTATS. Regards, Gregoire ... Received: Thu, 13 Nov 2003 10:28:32 AM CET From:...
1302
trevor.middel@...
Nov 19, 2003 1:29 pm
Hi Folks, I'm hoping someone can help steer me in the right direction. I have several sets of data acquired from acoustic surveys conducted on a small lake...
1303
Monica Palaseanu-Love...
monica.palaseanu-love...
Nov 19, 2003 1:29 pm
Hi, I never did that myself - but i was at the last STATGIS workshop in Austria and there somebody tackled same problem. They used indicator kriging, built the...
1304
Katharina Buchenau
katharina.buchenau@...
Nov 20, 2003 12:54 pm
Dear list, now I want to sum the answers to my question about indicator kriging (see ... Here is an abstract of the answers: The short answer is 'no'. I am...
1305
Edzer J. Pebesma
e.pebesma@...
Nov 20, 2003 12:54 pm
Trevor, I always wonder what the value of testing significance of spatial correlation is, and never advise to do it. See, if data are spatial, it is extremely...
1306
Paul and Deidre Taylor
paulanddeidre.taylor@...
Nov 21, 2003 10:51 am
Sebastiano, This is a much debated, classic problem reservoir engineers have in the oil industry. To deal with it, I would recommend you first focus on what...
