st: RE: xtoverid ... errorvin STATA 12

["Loncar, Dejan" <LoncarD@unaids.org>]

Dear colleagues,

I want to run xtoverid after xtreg but I got message:

xtreg A B C, fe   
est store fixed
xtreg   A B C , re 
xtoverid
   
xtoverid
Error - must have ivreg2/ivreg29/ivreg28 version 2.1.15 or greater
installed
r(601);

I have installed stata 12 

Please advice 
Best Dejan


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