Hi! We're two students from the Royal Institute of Technology in Stockholm. We're writing our thesis on limecolumns and are using different statistical programs. We're currently using a program called SADA (version 3) for kriging our data (with ordinary kriging), but a problem has occured, we can see that our data varies proportionally to the radius. We're kriging over circular areas and would like to be able to compare data from equal distances from the centre with each other and not like we're doing now i.e. comparing data that are close to each other. We have found that data from equal distances from the centre are correlated with each other and that data that are close are not necessarily correlated. Does anyone know any software that considers this problem? /Per & Mari
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