Ordinal regression (logit): How to chose selection variable?

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Ordinal regression (logit): How to chose selection variable?

Postby meim » Sun May 29, 2016 11:25 am

Hi all,

I have data from different sources and need to use the source as a selection variable in an ordinal regression (only for the dependent variable, not for the regressors!).
I know how to do this for a linear regression. Is there a way to do this for ordinal regressions as well?

(I am researching whether past online ratings for retail stores influence future ratings.
I have a dataset of approx. 800.000 ratings. The unit of analysis is the rating given by person i to store s.)

Thanks for the help! :) :?:

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