st: Pseudo R² for xtlogit

[Andreas Schiffelholz <Andreas.Schiffelholz@gmx.de>]

Hello everybody,

I have a very basic question. I'm currently working on a logistic panel 
regression with random effects -xtlogit, re-. While I'm able to 
calculate pseudo R² for my pooled models with cluster-robust standard 
errors -logit, cluster (...)-, I'm not able to calculate these for the 
-xtlogit, re- model.

Is there a way to calculate these pseudo R²? If not, what other 
comparable criteria would you use instead?

Thanks a lot in advance!
Andreas Schiffelholz
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