Hi, I want to do a resudal-kriging over an area in Arcgis between point values (measured precipitation at different points). It want to do that by first customize a plan of the precipitation by for example making regression on the following equation: p = a*x + b*y + c (where p is the precipitation and x and y are the coordinates) and then kriging the residuals. Is the method I describe the same as "Universal Kriging" in ArcMap, with first order of trend removal? Kindly regards Peter
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