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2521

[ai-geostats] Move of the list to Majordomo@jrc.it 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
    May 16, 2006
    #2521
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    2520

    [ai-geostats] problems with mailing list 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
      May 16, 2006
      #2520
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      2519

      [ai-geostats] Need your advise 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

        Reza Nazarian
        May 5, 2006
        #2519
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        2518

        Re: [ai-geostats] Need your advise dear Reza Nazarian I think that there are many things to say about this topic.....(for example the idea to use a gaussian distribution for porosity should be

          seba
          May 5, 2006
          #2518
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          2517

          [ai-geostats] SGeMS 1.4, a new release 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
            May 2, 2006
            #2517
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            2516

            [ai-geostats] RE: Search neighbourhood, conditional bias, etc 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)
              May 2, 2006
              #2516
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              2515

              [ai-geostats] Search neighbourhood, conditional bias, etc 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)
                May 2, 2006
                #2515
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                2514

                Re: [ai-geostats] Re: about cross-validation Raimon Tolosana-Delgado, Many thanks. This was very helpful indeed. Regards Mahdi ... -- ... Mahdi Osman (PhD) E-mail: m_osm@... ... Echte DSL-Flatrate

                  Mahdi Osman
                  May 2, 2006
                  #2514
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                  2513

                  Re: [ai-geostats] Re: about cross-validation Dear Mahdi Quickly said, you cannot compare both nuggets, because they do not share units... (well, the logarithmic one may be considered to have no units, but

                    Raimon Tolosana
                    May 2, 2006
                    #2513
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                    2512

                    [ai-geostats] Re: about cross-validation 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

                      Isobel Clark
                      Apr 27, 2006
                      #2512
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                      2511

                      Re: [ai-geostats] Uniform Conditioning Info. see Isatis examples in www.geovariances.fr Adrian Martínez Vargas Departamento de Geología ISMM, Las Coloradas s/n Moa, Holguín Cuba CP 83329 ... From:

                        Adrián Martínez Vargas
                        Apr 27, 2006
                        #2511
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                        2510

                        [ai-geostats] Uniform Conditioning Info. Hi List, Can anyone recommend some references to a mine geologist looking for an introduction to Uniform Conditioning? I'm especially interested in it's

                          Colin Badenhorst
                          Apr 27, 2006
                          #2510
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                          2509

                          [ai-geostats] about cross-validation Dear everyone, One of my colleague asked me about the mathematical equation of cross-validation method (leave-one-out method), and I said that it depends on

                            M. Nur Heriawan
                            Apr 27, 2006
                            #2509
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                            2508

                            Re: [ai-geostats] Re: about cross-validation Dear Isobel Clark, Dear List, I have your posting regrding cross validation. Yesterday and this morning I had similar, but not identical, problems. So I was

                              Mahdi Osman
                              Apr 27, 2006
                              #2508
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                              2507

                              [ai-geostats] uncertainty 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
                                Apr 21, 2006
                                #2507
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