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seeking tip to keep first of multiple observations per ID

pedroabg 
I had the same problem.



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Thread (4 messages)

Julie Royster seeking tip to keep first of multiple observations per ID Mar 15 John Kane seeking tip to keep first of multiple observations per ID Mar 15 arun seeking tip to keep first of multiple observations per ID Mar 15 pedroabg seeking tip to keep first of multiple observations per ID Mar 15