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Re: st: RE: combine data by groups
From
"G. Dai" <[email protected]>
To
[email protected]
Subject
Re: st: RE: combine data by groups
Date
Wed, 3 Mar 2010 12:10:26 -0800
that is great. thank you, Martin!
G.
On Wed, Mar 3, 2010 at 12:05 PM, Martin Weiss <[email protected]> wrote:
>
> <>
>
> *******
> clear*
>
> inp str10 personid byte(parentsid momlive dadlive)
> 001 1 0 .
> 001 2 . 1
> 002 1 1 .
> 002 2 . 1
> end
>
> compress
> list, noo
>
> collapse (firstnm) momlive dadlive, by(personid)
> list, noo
> *******
>
>
> HTH
> Martin
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of G. Dai
> Sent: Mittwoch, 3. März 2010 20:40
> To: [email protected]
> Subject: st: combine data by groups
>
> hi all, this is an easy question,but somehow I can't figure it.
> The data is like:
> personid parentsid momlive dadlive
> 001 1 0
> .
> 001 2 .
> 1
> 002 1 1
> .
> 002 2 .
> 1
>
> where personid and parentsid are person and her parents' id.
> when parentid==1, we only record whether mom still live or not (momliv)
> similarly
> for parentid==2 and dadlive.
>
> I want to change the data set to the following form
>
> personid momlive dadlive
> 001 0 1
> 002 1 1
>
> what is the best way to do this?
>
> thanks,
> Guang
>
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