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How do I create a count variable in SAS that reflects the order of the subjects in my raw data file?
One way to do this is as follows. Include the following statement in your DATA step. It creates a variable ID which reflects the order of the observations in the raw data file.
id+ 1;
That is, the variable ID is assigned an integer value, starting at 1 for the first case, and increasing by one for each subsequent case in the data set.
If you have further questions, send E-mail to stats@ssc.utexas.edu.