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Geostatistical wizard - Cokriging - model equations under variogram

Question asked by nagosa on Dec 2, 2011
Latest reply on Dec 5, 2011 by EKrause-esristaff
I have to use ordinary cokriging (variables are precipitations and elevation).
I build an automatic model (in model builder) to perform interpolation.

However, when I build the .xml  file (reference file) with the geostatistical wizard why the last equation noted when we fit variograms and Cov. aren�??t the same when we open again the model in the method properties after computation?

I don�??t understand why parameters of the first variable (first variogram) are automatically applied to the model (nugget and partial sill), other parameters are the same.

It�??s not possible to have specific parameters for each variable and so each variogram and to keep them as we want (in the model equation under the variogram) ?

Maybe there is something I don't understand with the use of several fit-models .....

For examples:
Manual fitting and  Reopening of the method properties after computation: see model equations