" I get the following error after it does iteration 0-4 on the
fitting exogenous probit model and fitting the full model:
"This is version 9.0 of Stata, it cannot run version 9.1
programs. A free update to version 9.1 is available: type
update and follow the instructions. r(9)"
Anyone, know what this error message means? "
Exactly what it says. Have you tried following its instructions?
Kit Baum, Boston College Economics
http://ideas.repec.org/e/pba1.html
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