Re: st: SVYreg Command

[Rufus Browning <browning@sfsu.edu>]

At 02:46 PM 10/15/2003 -0400, Alison wrote:
> Help!
>
> I am using the svy commands for the first time, and am having some troubles.
> First of all -- I need to have the svyreg regressions produce beta
> coefficients.  The output does not specify if in fact the coefficients are
> standardized or not, and the manuals are not straightforward about this issue.
>  The beta option for the regress command does not work for the svyreg 
> command.
>  So ... are the coefficients standardized, and if not, how would I calculate
> them?
This might meet your needs. You can enter a p-weight variable into an 
ordinary regression command in brackets and specify the beta option:

. regress y x [pw = yourwtvar] , beta

-regress- will take your p-weights into account and still produce the betas 
(standardized coefficients).

-regress- also permits clusters and robust variance estimates, but the help 
file says the cluster option may not be combined with beta. See -help regress-.

Rufus Browning
Public Research Institute, San Francisco State University


> I tried using svymean to generate the standard deviations, and use the old
> formula (beta = (sx/sy)*b) to calculate the betas, but svymean produces the
> standard error for the mean, and not the standard deviation -- this is at
> least how the output is labeled, and the manuals once again are not
> straightforward in telling me what is being reported.  So ... what would I do
> here?
>
> Finally, I am using version 7 of STATA -- I do not presently have access to
> STATA8, but I could possibly get access.  Does STATA8 have a svyreg command
> option that produces the standardized regression coefficients?  If so, I will
> try to get STATA8.
>
> Thank you in advance for all of your help,
>
> Alison
>
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