st: Syntax for Gllamm 3 level model with random slope

[aimes87 <aimes87@hotmail.com>]

Hi, 

I am trying to fit a 3 level model (conceptions nested within cow id numbers
nested within years). I have 5 conception covariates -all of which are
dichotomous (rp metr preglame pregmast preabort). My outcome is a
dichotomous: abortion or no abortion. I also have a time variable (days in
milk (dim)) which I think should be included as a random slope at the
conception level. 

Could anyone help me with the syntax for such a model? I have tried using: 

. eq cons: 1

. eq slope: dim
. gllamm abort preabort rp metr preglame pregmast dim, i(id year) nrf(2 1)
eqs(cons slope cons)

but Stata returns the message (after a long time) that convergence could not
be achieved. 

Any help would be greatly appreciated!
Aimee 

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