Jane Schroeder <[email protected]> writes:
> When I run binomial -glm- models with a log or identity link function I get
> the following error message whenever there are observations with missing
> data for a model covariate, even though all predicted risks are well within
> the permissible (0,1) range:
> Warning: parameter estimates produce inadmissible mean estimates in one or
> more observations.
[...]
and Maarten L. Buis <[email protected]> replied:
> I think StataCorp forgot a -if e(sample)- in lines 1512 and 1516 of glm.ado
> (you can see that when you type -viewsource glm.ado-). you can perform this
> test yourself by typing after -glm-:
> predict mu, mu
> assert mu >= 0 & mu <= 1 if e(sample)
Maarten is right, and we'll get this fixed in the next ado update. In the
meantime, if Jane performs Maarten's suggested check she can safely ignore the
warning.
--Bobby
[email protected]
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