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Re: st: Is there a command for picking off the lowest values of an Identified group?


From   Ian Breunig <ianbreunig@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Is there a command for picking off the lowest values of an Identified group?
Date   Thu, 29 Jul 2010 09:50:55 -0600

Whoops, even though it doesn't matter, I meant that I used - contract
- not -collapse -

Ian

On Thu, Jul 29, 2010 at 9:43 AM, Ian Breunig <ianbreunig@gmail.com> wrote:
> I want to find the age of the mother's youngest child.
>
> If, for example, I have data as follows:
>
> Mother ID:        Child ID:     Child Age:
>
> 1                         a                  1
> 1                         b                  2
> 1                         c                  3
> 1                         d                  4
> 2                         e                  10
> 2                         f                   10
> 2                         g                  12
> 3                         h                  5
> 3                         i                   7
>
> Is there a simple command to tell me the youngest age for every Mother
> ID or  do I have to use a do loop and if statement to do this?  If so
> can anyone help me out with the most efficient way to code the do
> loop.
>
> I have used - collapse - and an if statement to count children under a
> specified age before but I can't seem to find a command to do what I
> want above.
>
> Thanks ahead of time if you can help!
>
> Ian
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