AI-GEOSTATS: border effect?
- Dear members,
analysing a set of data, in which positive values, located in the middle of
the investigated area, are surrounded by null values, I obtained non- zero
values outside of the investigated area (what I called here a "border
effect"). My variogram is a simple exponential model with no nugget effect (a
spherical one generates the same border effect) and I can't find any
reasonable explanation of this 'problem'. Any hints ?
Thanks for any help,
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