Thank you for the quick response and the helpful link. I don't have access to SAS software, so I can't answer your question. So far, I'm working with a data definition document: With this one, the length attribute appears to refer to the stored data: a 5 digit number representing the days since 1 JAN 1960: Here's the one I'm trying to figure out: I understand that this isn't much to work with, but it's all I have at the moment. Thanks again.
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