I have a set of base points and a set of candidate points. I want to merge the attributes from candiates points to the closest base points based on a group_id variable only existing in the candidate attributes. So the results should be a very wide dataset containing the original base attributes and candidate attributes from different group_id (possibly distinguished by adding group_id as suffix to the candidate variables).
At first I thought this can be easily done in neighbour finder using the Group By option. But it turned out to be unsuccessful. My understanding is that the Group By only works if both base and candidate have the same group_id. So anyone could help me out joining datasets only using the grouping in one dataset?
Cheers