st: Question about survey command and errors

[Marcello Pagano <pagano@hsph.harvard.edu>]

Tewarit Somkotra wrote:
>  
> I recently have been running the STATA9 for data analysis since my 
> department bought this version, before that, I had run by STATA8 
> without any problems when I used the survey command. Since I started 
> to try to run survey command by STATA9, I got an error about the 
> _robust2, then I checked and tried to solve problem by using the 
> reference books, help command and searching about FAQ, but I could not 
> get the solution yet. Therefore, I decide to ask you for some help 
> about this big error. Would you please do me a favor, or give me some 
> suggestion about the solution to solve this problem.
>  
> Here, this is the example about the error after I tried to run the 
> data by using svy command.
> . svyset psu_no [pweight=weight], strata(cwt) vce(linearized)
>       pweight: weight
>           VCE: linearized
>      Strata 1: cwt
>          SU 1: psu_no
>         FPC 1: <zero>
> . svy:  logit  opdutil_cat3  lnhhinceq  $decompose1  $decompose2
> (running logit on estimation sample)
>                  <istmt>:  3499  _robust2() not found
> Mata run-time error
> r(3499);
>  
> Thank you very much for your kindness.
>  
> Sincerely yours,
> Tewarit Somkotra,DDS.
>  
> Tokyo Medical and Dental University
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