Scenario: Want to pull only the first record of a dataset by user ID (may be duplicates for any given user) by earliest date and record number ID (may be duplicates for any given user). This is what I’ve tried so far and it is not always pulling the first visit.
proc sort data=FirstVisit...
When a record is first added to this particular database I’m working on, I would like a record to be automatically assigned the current date (e.g. 22-Jul-09) in a separate field. I also would like to be able to automatically assign each record with a unique alphanumeric identifier (e.g...
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