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Proc Sort dups under V9
I have always thought that knowing which observations get 'sorted out' of your table when you do a "PROC SORT NODUPKEY" is valuable. Up until now you would have to reprocess the data, using first.var logic to find out the second and subsequent observations, writing them out to a temporary table for analysis.
Now PROC SORT does that all automatically for you:
PROC SORT DATA=foo OUT=foo2 NODUPKEY DUPOUT=foo_dups; BY var; Run;
--Mike 13:10, 21 May 2007 (EDT)