RE: st: mi estimate and GLLAMM

["Pesola, Francesca" <francesca.pesola@kcl.ac.uk>]

Hi Thanks for your reply. I am using Stata 11. 

I have added the cmdok option - below - :

xi: mi estimate, cmdok: gllamm topic3g_w i.wave, i(ID) base(1) link(mlogit) family(binomial)

However, Stata stops as I get an error message saying: 

convergence not achieved
model did not converge on m=4
r(498);
end of do-file
r(498);

Any suggestion on why this might be and what to do?

Cheers,
F

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Stas Kolenikov
Sent: 03 April 2014 15:14
To: statalist@hsphsun2.harvard.edu
Subject: Re: st: mi estimate and GLLAMM

What version of Stata are you using? -mi estimate- has -cmdok- option that you need to specify to proceed with user-written commands. With some luck, -variance- option may give you the variances of the random effects, as by default -mi- would report the results in whatever metric -gllamm- uses to parameterize the random effects (Cholesky decomposition, if I recall correctly).

-- Stas Kolenikov, PhD, PStat (ASA, SSC)
-- Principal Survey Scientist, Abt SRBI
-- Opinions stated in this email are mine only, and do not reflect the position of my employer
-- http://stas.kolenikov.name



On Thu, Apr 3, 2014 at 5:30 AM, Pesola, Francesca <francesca.pesola@kcl.ac.uk> wrote:
> I have imputed my data using multiple imputation and I would now like to analyse the data using GLLAMM; however, Stata produces an error message which says GLLAMM is not supported by mi estimate.
>
> I know mi estimate supports the xt-family commands for clustered data but  there does not seem to be an xt command for multinomial logistic regression, which is what I need.
>
> Any suggestion would be very much appreciated!
>
> Thanks,
> Francesca
>
>
>
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