Dear STATA lister
it might be simple/stupid question to ask.
I have 2 variables to measure patient adherence to drugs 'regimen1'
and 'regimen2'.
both variables contain adherence %.
I want to know how many patients have adherence data under every
variable, so i am running code
graph bar (count) regimen1 regimen2, over visit
it gives higher number than expected.
Any tips how to fix it?
Thank you in advance and best regards
ziad
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