Not sure what you ran before xtoverid, but this previous post might help.
Re: st: Stata11 cannot estimate xthtaylor with bootstrap SE
From [email protected]
To [email protected]
Subject Re: st: Stata11 cannot estimate xthtaylor with bootstrap SE
Date Mon, 24 Aug 2009 11:57:50 -0500
Mike <[email protected]> has uncovered a bug with -xthtaylor- when option
-vce(bootstrap)- is used in a model containing collinear variables. The
following error message is given:
o. operator not allowed
an error occurred when bootstrap executed xthtaylor
r(101);
The fix will be available in a future ado update. In the meantime, you can work
around this problem by calling -xthtaylor- under version control or by using the
-bootstrap- command. For example, try the following:
version 10.1: xthtaylor depvar indepvars, endog(vars) vce(bootstrap)
bootstrap: xthtaylor depvar indepvars, endog(vars)
Theresa Boswell
<[email protected]>
On Tue, Dec 8, 2009 at 3:25 PM, John Antonakis <[email protected]> wrote:
> Hi:
>
> I get the following error after running xtoverid:
>
> . xtoverid
> o. operator not allowed
> r(101);
>
> Any ideas why?
>
> Best,
> J.
>
> ____________________________________________________
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> Faculty of Business and Economics
> Department of Organizational Behavior
> University of Lausanne
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