I would look for -duplicates- on age, date of diagnosis, date of death,
conditionally on group being A or B. -duplicates- allows -if-. Isn't
that your question?
Nick
[email protected]
Michael McCulloch
I have a dataset containing survival data, in which exposure groups
are A and B.
I wish to find records in group A that share the same values in group
B, for each of several fields:
age
date of diagnosis
date of death
I have studied the commands dups and duplicates but don't see how
they can handle finding values from two different groups sharing the
same values. I'd appreciate any suggestions or pointers.
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