I wouldn't say it becomes unrelated as of d12=7. It's no longer equal to the upper bound, but it's still related in the sense that the higher durmo_cat is, the higher d12 is.
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The consultant's code does not represent some convention or best practice. If I had to guess, I'd say there's another variable in the data that's related to durmo_cat, and this is the consultant's attempt to make that relationship linear or otherwise improve it for his purpose.
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Like EJ, I'm having trouble understanding what needs done here. I know it's been answered multiple times now, but out of curiosity, I'd like to understand what's being asked here exactly. As far as I can tell, we simply want to exclude anything with log_code = 'B'? Correct? Is that the case?
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if &common is a parameter to the macro, you can do what you need to do. but i don't know why you wouldn't make it a separate macro that gets called. this may be useful. HMS Analytical Software: A Modern Software Design Principle Applied To SAS Macro Programming: The Inversion Of Control Concept
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