Justina Fischer asked about ordered probit regression for panel data. Scott
Merryman pointed out several options in Stata. There is also a description by
David Clayton of a generalized estimating equation (GEE) approach that can be
implemented with -xtgee-. The method is described in an online document at
www.mrc-bsu.cam.ac.uk/pub/publications/submitted/david_clayton/ordcat2.ps
Joseph Coveney
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