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Re: st: AW: Reshaping question
From
Anders Gaarsdal Holst <[email protected]>
To
[email protected]
Subject
Re: st: AW: Reshaping question
Date
Mon, 22 Feb 2010 13:45:11 +0100
The collapse (max) command was just what I was looking for. Thank you very
much Martin.
Sincere regards,
Anders Gaarsdal Holst
MD, Research Fellow
Department of Cardiology, B2142
University Hospital Rigshospitalet
Blegdamsvej 9
2100 Copenhagen
Phone: +45 35450639
Email: [email protected]
On Fri, Feb 19, 2010 at 4:05 PM, Martin Weiss <[email protected]> wrote:
>
> <>
>
> If the id has one or more antibio==1, then the maximum of antibio must be
> 1:
>
>
> *************
> clear*
> set obs 5
> set seed 1001
>
> gen byte id=_n
> expand 4
> gen byte antibio=runiform()<.1
> sort id
> list, noo sepby(id)
>
> collapse (max) antibio, by(id)
>
> list, noo
> *************
>
>
>
> HTH
> Martin
>
>
> -----Ursprüngliche Nachricht-----
> Von: [email protected]
> [mailto:[email protected]] Im Auftrag von Anders
> Gaarsdal
> Holst
> Gesendet: Freitag, 19. Februar 2010 16:02
> An: [email protected]
> Betreff: st: Reshaping question
>
> Dear Statalist,
>
> I have a multiple observations per (person) id dataset and a boolean
> variable of interest "antibio". I would like to reshape this into a a
> single observation per id dataset with a boolean variable indicating
> whether the id has one or more observation with antiobio==1.
>
> This is probably an easy task, but I cannot seem to find the right command.
>
> Sincere regards,
> Anders Gaarsdal Holst
> MD, Research Fellow
> Department of Cardiology, B2142
> University Hospital Rigshospitalet
> Blegdamsvej 9
> 2100 Copenhagen
>
> Phone: +45 35450639
> Email: [email protected]
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