duplicate

Removing duplicate rows in base SAS

If you ever need to remove duplicate rows from a SAS dataset, here’s an approach I use quite often. Get your data. Let’s assume it’s in the following format: – ID Name 123 John 456 Bob 123 John Sort your data. – /* Step 1 – Sort data */ proc sort data=my_lib.my_dataset; /* Sort by a field which you want to be unique, and which will be the same for duplicate… Read More »Removing duplicate rows in base SAS