Re: st: svyreg vs. reg

[David Kantor <dkantor@jhu.edu>]

I don't know the details, but svyreg does more complex calculations to 
account for certain features of survey data.  So I would expect the results 
to differ.  (Though, I'm not so sure if that holds when you don't specify 
strata or psu.)

-- David

At 02:36 PM 5/14/2004 -0400, Paul von Hippel wrote:

> In analyzing weighted survey data, I'm surprised that the following commands
>         svyset [pweight=weight]
>         svyreg y x
> don't give the same results as
>         reg y x [pw=weight]
> or
>         reg y x [pw=weight], hc3
> or even
>         reg y x [aw=weight]
>
> I'm left confused as to what svyreg is doing. Any insights most appreciated.
>
> Thanks!
> Paul
> [...]
David Kantor
Institute for Policy Studies
Johns Hopkins University
dkantor@jhu.edu
410-516-5404

*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/