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Re: Re: st: RE: Patient age at first cancer exam in STATA
From
"[email protected]" <[email protected]>
To
[email protected]
Subject
Re: Re: st: RE: Patient age at first cancer exam in STATA
Date
Sun, 12 Jan 2014 04:03:45 +0100
Dear Joe,
I have tried both: bysort Patid: keep if _n==1 and collapse.
Unfortunately none of them did work. It only kept 377 unique Patid,
neither of them was a cancer patient.
KR
John
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