Dear listmembers, I am trying to obtain values for pointdistance from another dataframe by matching UTMX and UTMY coordinates, but I am not sure how to introduce the second coordinate. PointDF$pointdistance=DistanceDF$distance[match(PointDF$UTMX,DistanceDF$UTMX & PointDF$UTMY,DistanceDF$UTMY )] is wrong but (hopefully) illustrates what I am trying to do. Could somebody help ? Thank you very much. Juliane
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