Re: st: Logistic using aweigths

[Richard Williams <Richard.A.Williams.5@ND.edu>]

At 02:00 PM 8/11/2005 -0400, you wrote:
> Better yet, run -logit- with the "or" option.
>
> The odd thing is, -logistic- calls -logit- to do the actual estimation, 
> and the documentation for -logit- suggests that it does not accept 
> aweights, although it does, in fact.
>
> So it seems like either they both should, or neither should accept aweights.
>
> --Nick Winter
Surprising but true.  logistic.ado has syntax checks that prevent aweights 
but logit.ado does not.  So which routine is mistaken - logit for allowing 
aweights or logistic for not?  The documentation for aweights says 
"Typically, the observations represent averages and the weights are the 
number of elements that gave rise to the average." That wouldn't seem to 
apply to a logistic regression problem, would it? i.e. the DV is not the 
average number of successes.  In any event, there must be a mistake somewhere!



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Richard Williams, Notre Dame Dept of Sociology
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