Negative kriging weights can occur when you have a so-called screening
effect, that is points close to the location at which an estimation is
needed mask points that are further appart. The problem is thus the
topology of your sampling locations.
Solution: reduce the neighborhood of your
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From: Gregoire Dubois [mailto:[EMAIL PROTECTED]
Sent: maandag 14 november 2005 15:12
To: 'Abhijith Titus D'souza'
Cc: ai-geostats@unil.ch
Subject: RE: [ai-geostats] why do negative kriging values occur
Negative kriging weights can occur when you have a so-called screening
effect