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st: RE: Problem with xi and xtivreg2
From
"Schaffer, Mark E" <[email protected]>
To
<[email protected]>
Subject
st: RE: Problem with xi and xtivreg2
Date
Sun, 19 Jun 2011 17:40:55 +0100
Juan,
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of
> Juan Pablo Cote Baron
> Sent: 19 June 2011 00:40
> To: [email protected]
> Subject: st: Problem with xi and xtivreg2
>
> Dear statalist users,
>
> I have a problem when using the xi: xtivreg2... combination.
> I need to regress "x" on "w", an instrumented variable "y"
> and on year dummies. I typed this:
>
> xi: xtivreg2 x w i.year (y = z), fe robust
>
> but it doesn't work. Instead, I get the error message "too
> few variables specified r(102)", but I don't know what the
> problem could be (the syntax works when I use it with another
> cathegorical variable different from year) .
What happens if you first use -xi- on its own to create the year
dummies, and then use the year dummies in the estimation without -xi-?
--Mark
>
> Thanks in advance,
>
> Juan Pablo Cote.
>
>
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