Separating Unique and Duplicate Observations Using PROC SORT in SAS 9.3 and Newer Versions
Today, I stumbled upon a post where the author talks about a new options that are available in SAS 9.3 and later versions. These options ( NOUNIQUEKEYS and UNIQUEOUT) that allows sorting and then finding the duplicate records to be done in one step using PROC SORT. Direct Link: Separating Unique and Duplicate Observations Using PROC SORT in SAS 9.3 and Newer Versions Christopher J. Bost published a paper in SAS Global Forum 2013 regarding the same option. Dealing with Duplicates