After the data clustering is finished, how can I define the logic that will give me only one (the best) matching result? Is it by using 'Survival Identification' node? Or do I need to do something else? What is the usual procedure in this case?
That's where the Surviving Record Identification node is used. With it you build business rules that describe how you want that best record to be composed for each cluster of matching records. The documentation explains how the node works.
Ron
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Need to connect to databases in SAS Viya? SAS’ David Ghan shows you two methods – via SAS/ACCESS LIBNAME and SAS Data Connector SASLIBS – in this video.