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st: Initial values not feasible using meologit


From   marciaipj <marcia.ixchel@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: Initial values not feasible using meologit
Date   Thu, 31 Oct 2013 11:12:27 -0700 (PDT)

Hi all,

I was hoping you could help me. I am trying to run a cross random effects
model in Stata 13. 
But so far, I have not been able to pass from the error message "initial
values not feasible" . 
I have tried to change the start values to the 4 possible options (zero, iv,
constantonly and fixedonly), I have also tried to change the startgrid
option (although I am sure what that is) and finally I tried running a
simpler model to get some initial values and then use them as initial
estimates for a more complex model. But I still cannot fix the problem. 
This is the code I have used to get initial estimates from a simpler model: 

*Obtain initial values from a simpler model 
ologit happy female c.age##c.age
mat x=e(b)
meologit happy female c.age##c.age|| coh5: || year: , from (x) 

Can someone please help me? Are there any other options to  solve this?
Also, I read that using the command evaltype(gf0) might help, but what does
that mean? 

Thanks! 
Marcia 





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