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Re: AW: st: Logistic Regression_Unequal Ns (outcomes)


From   Chao Yawo <Yawo1964@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: AW: st: Logistic Regression_Unequal Ns (outcomes)
Date   Sun, 8 Mar 2009 12:17:20 -0400

thanks very much. I do not intend writing my own ado, but I will
rather use the relogit command, and then the pweight and cluster
options - of course, I will be sacrificing stratification (strata)
information since it seems Stata can only specify strata option under
the svyset command.

So, I guess thats the choice i have to deal with...

rgds, CY



------------------------------------------------------------------




On Sun, Mar 8, 2009 at 1:00 PM, Richard Williams
<Richard.A.Williams.5@nd.edu> wrote:
> At 10:30 AM 3/8/2009, Chao Yawo wrote:
>>
>> Thanks Martin and Richard,
>>
>> I am thinking of using the relogit command, but I am wondering how i
>> could do so, while incorporating complex sampling design
>> specifications.
>>
>> Should I just svyset my data and then run the relogit OR
>>
>> should I just use the relogit command, but specify the weight option
>> on the command. Even if I do this, there is no way to specify the
>> strata or the sampling unit commands directly, so would my model be
>> estimated correctly?
>>
>> thanks for all your help.
>>
>> rgds, CY
>
> It isn't hard to add svy support to a program.  For example, my oglm program
> includes the following line:
>
> program oglm, eclass byable(recall) sortpreserve properties(swml svyr svyb
> svyj or irr rrr hr eform)
>
> I believe the program also has to allow iweights.  See -help program- and
> -help program_properties-.  Whether there is some reason this would be an
> awful idea with -relogit- or impossible to do, I don't know.  If you are
> going to try to do your own programming, you may also wish to take a look at
>
> http://www.stata.com/bookstore/mle.html   (see especially chapter 11 on
> survey data anlysis)
>
> http://www.stata.com/bookstore/isp.html
>
>
>
> Whenever you do alter someone else's program, it is a good idea to rename it
> so the original and revised program do not get confused.
>
>
> -------------------------------------------
> Richard Williams, Notre Dame Dept of Sociology
> OFFICE: (574)631-6668, (574)631-6463
> HOME:   (574)289-5227
> EMAIL:  Richard.A.Williams.5@ND.Edu
> WWW:    http://www.nd.edu/~rwilliam
>
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