Answer / Vinay Prakash

In SAS, you can use the `PROC SORT` and `OBSERVER` options to remove duplicate observations. Here's an example:n```n PROC SORT DATA=your_data OUT=no_duplicates;n BY variable_to_check_for_duplicates;n OBSERVE DUP = YES;n RUN;n``` This will create a new data set (`no_duplicates`) with no duplicate observations based on the specified variable.

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