Dear All,
I need to run a conditional (fixed effects) logistic regression for
an unbalanced panel data using Stata 8, but I am experiencing some
problems. When I run clogit y x1 x2, group(idf) a message saying
"unrecognized command: clogit" r(199) appears. The same message
appears when I try to run xtlogit y x1 x2, fe.
Has anyone else experienced this kind of problem before?
Many thanks,
Lana
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