r 02, 2004 3:30
PM
Subject: [ai-geostats] spatial
relationships
Dear oh Dear, I am failing to communicate (again).
As far as I know, I didn't say you could not use geostatistics when a
trend is present! I regularly use Universal Kriging for data with a
trend and kriging with an external
Dear oh Dear, I am failing to communicate (again).
As far as I know, I didn't say you could not use
geostatistics when a trend is present! I regularly use
Universal Kriging for data with a trend and kriging
with an external drift when the trend is governed by
an outside factor (see free tutorial
Mark
I could not agree more with Gregoire (with one
proviso, see below).
Both geostatistics and any weighted average estimators
are based on the same assumptions -- that relationship
between values at two locations depends on the
distance between them and (possibly) their relative
orientation.