Re: st: Survey question

[Michael Norman Mitchell <Michael.Norman.Mitchell@gmail.com>]

Greetings

  Thank you all for your input on this, it was extremely helpful! The 
collective knowledge of the Statalist is so impressive.

Thanks!

Michael N. Mitchell
See the Stata tidbit of the week at...
http://www.MichaelNormanMitchell.com

On 2010-05-04 11.11 AM, Stas Kolenikov wrote:
> On Tue, May 4, 2010 at 12:37 PM, Michael Norman Mitchell
> <Michael.Norman.Mitchell@gmail.com>  wrote:
>    
> >   We have a sampling frame of people (a list of say 7000 people) and we are
> > going to sample of say 300 of them. All people in the sampling frame will
> > have an equal probability of being selected.
> >
> >   Assume that we do not want to compute "totals" (i.e, counts, frequencies)
> > in the population, and just focus on things like percentages, means, and
> > estimation commands (like regress). In such a case, is there any need or
> > benefit to calculate -pweights- and use the -svy- commands?
> >      
> Even if you use SRS, there's still a small gain in precision because
> of the finite nature of the population captured by the finite
> population correction, 1-300/7000. (If you sampled 7000 out of 7000,
> your uncertainty will be zero, which is what the fpc is reflecting,
> among other things.) You don't need anything at all for this, just
>
> svyset, fpc(7000)
>
>    
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