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Re: st: RE: AW: RE: AW: AW: creating a count variable


From   Jane Suiter <suiterj@tcd.ie>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: AW: RE: AW: AW: creating a count variable
Date   Tue, 18 May 2010 19:20:51 +0100

thank you for that help and yes in this case there are no missing
values as all have addresses... Jane


On 18 May 2010 17:43, Nick Cox <n.j.cox@durham.ac.uk> wrote:
> Jane said how many observations. Whether that's what she really wants if
> there are missings is indeed a question which she may answer.
>
> Specifically in this example a hospital with no known location seems a
> little implausible.
>
> Nick
> n.j.cox@durham.ac.uk
>
> Martin Weiss
>
> "
> bysort home : gen howmany = _N
>
> seems to be an answer to the question."
>
> We could get started now on the "missing" issue, but Jane will find
> plenty
> of material on it in the archive...
>
> Nick Cox
>
> If you like, but
>
> bysort home : gen howmany = _N
>
> seems to be an answer to the question.
>
> Nick
> n.j.cox@durham.ac.uk
>
> Martin Weiss
>
> Or rather, to create a variable, as your subject line indicates, use
> -egen,
> count- with the -by- prefix.
>
> Martin Weiss
>
> Combine -count- with the -by- prefix.
>
> Jane Suiter
>
> This is very simple but I keep getting it wrong. I have data with
> large number of observations (hospitals) and I need to generate a count
> variable
> of how observations are in each geographic area. The variables are idno
> for
> the facility, home for the location of the facility.
>
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>

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