st: Urgent-Help

["A. Sen" <as934@cam.ac.uk>]

Hi

I am from the University of Cambridge and this question is regarding 
STATA11 and its mi command. I hope you can help me out with this as noone 
else has been able to.

I have 5 imputed datasets and I am estimating random effects and fixed 
effects models for the panel data I have. To choose between these two, i 
need to perform a hausman specification test. I estimate the RE model first 
and store estimates- estimates store random. I then estimate the FE model 
and go to postestimation and run the hausman test. But the error message is 
- e(b) not found in random. This e(b) and e(v) not found prevents me from 
presenting the results in a table as well. i have tried cmdok as well but 
nothing seems to work. Can you please provide me with a command which 
allows me to carry out this test.

regards

Ananya Sen  
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