what is the difference between nodup and nodupkey options? : Sas programming



what is the difference between nodup and nodupkey options? : Sas programming..

Answer / Vikas Deval

"The NODUP option in PROC SORT prevents duplicate observations from being written to the output data set, but it does not remove duplicates. The NODUPKEY option removes duplicate observations from the input data set before sorting and writing to the output data set."

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