fitted probabilities numerically 0 or 1 occurred

Hello sirs

I encounter this problem in ordered logit regression with panel data.

I dont know how to address this problem.

Could you please help fix it.

thank you very much.


its not necessarily a problem. It depends on how likely it is you would be able to fit a model with at least some non ambiguous cases. Its certainly suspicious though.
Can you say why you find it to be a problem. ?
Do you get as good fit results on hold out data (validation) as on development data?

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