Re: AI-GEOSTATS: backtransformation

2003-12-02 Thread Marta Rufino
Here are the answers I had for my question: Thank you very much. Marta Dear list members, I would like to know if anyone has information or bibliography on backtransformation of the variogram or the variogram model. I have 2 ref. only (Armstrong and Guiblin et al. 1995). Is this supose to give

AI-GEOSTATS: log-normal kriging error

2003-12-02 Thread Marta Rufino
Dear list members, I have been calculating log-normal kriging for a data set using geoR and I obtained suspicious estimations... so I tried with another data set, and I got the same... I am wondering that maybe there is another problem like the data not being strictly log-normal.. could