Hello Statausers,
I have got a problem with the 'xtivreg2' - command when conducting my
estimations in Stata 9.2 SE.
When I run my regressions then I always get the following error message:
Error: must have ranktest version 01.1.03 or greater installed
To install, from within Stata type r(601);
end of do-file
r(601);
Can somebody of you help me?
Kind Regards,
Sascha
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