Re: st: random effect logit model

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

At 02:48 PM 8/11/2006, you wrote:
> Dear Stata Listers,
> I am using STATA/SE 9.2 and running a simple random
> effect logit model with a combination of discrete and
> continuous independent variables. The dependent and
> discrete independent variables are all dichotomous.
>
> When I run it, after several iterations it says "not
> concave" and keeps iterate with no results. Can
> anybody provide any suggestions to make it work.
> Thanks.
> Pallab
Sometimes adding the -difficult- option will solve convergence 
problems.  Alternatively, you may need to try modifying your model a 
bit, perhaps dropping one or more vars.  See -help maximize- for more 
details and other options.


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