Carlos (or any person who might want to help):
 
Interesting topic.
Please let me know any actual reference for general factorial cokriging methodology and orthogonal factors.
If you can send it electronically I will appreciate it.
I would like to update my understanding of this topic.
 
Regards,
 
Federico Pardo


From: ABREU Carlos Eduardo [mailto:[EMAIL PROTECTED]
Sent: Thursday, November 17, 2005 2:29 PM
To: 'ai-geostats@unil.ch'
Cc: NIVLET Philippe
Subject: [ai-geostats] Optimal neighborhood definition

Bonjour
 
 
We are using seismic data volumes, with regularly spaced samples (both in time and space), aiming at decomposing these variables into orthogonal factors by using a factorial cokriging methodology. A very important step in this estimation approach is the neighborhood definition.
 
We would appreciate if someone could provide us with papers/suggestions on practical hints on this topic, as the kriging estimator is quite sensitive to number of samples/number of sectors/type of neighborhood/etc.
 
Which parameters should we take into account to define the "optimal neighborhood"?
 
 
 
Carlos Eduardo Abreu
 
____________________________________________
 
Institut Français du Pétrole
1&4, Avenue de Bois-Préau
92.852 Rueil-Malmaison Cedex - France
tel: +33 147525654
fax: +33 147527098
____________________________________________
 


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