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st: problems with ivreg2 and xtivreg2


From   sara borelli <[email protected]>
To   [email protected]
Subject   st: problems with ivreg2 and xtivreg2
Date   Sun, 6 Dec 2009 16:51:13 +0000 (GMT)

Dear Stata List members

I have upgraded online my version of stata from stata8 to stata8.2 
I am interested in two commands:
ivreg2 and xtivreg2

when I run ivreg2 stata says
unrecognized command:  mata
(error occurred while loading ivreg2.ado)
r(199)
and no output is returned

when I run xtivreg2 stata says
unrecognized command:  mata
but then the output follows

what does this mean and how could I overcome these problems?
thank you in advance for any help
sara


      

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