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Re: st: AW: Question on xtreg and the FE option


From   Nick Cox <njcoxstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: AW: Question on xtreg and the FE option
Date   Thu, 8 Nov 2012 11:20:24 +0000

I am commenting on your general statement as a matter of Stata syntax.

What makes statistical sense in this particular thread is naturally a
key but more specific question.

Nick

On Thu, Nov 8, 2012 at 10:26 AM, Justina Fischer <JAVFischer@gmx.de> wrote:

 How can stata use xtreg, fe without knowing the time dimension?

> -------- Original-Nachricht --------
>> Datum: Thu, 8 Nov 2012 10:21:07 +0000
>> Von: Nick Cox <njcoxstata@gmail.com>
>> An: statalist@hsphsun2.harvard.edu
>> Betreff: Re: st: AW: Question on xtreg and the FE option
>
>> This is not correct. There is no rule that a time variable _must_ be
>> specified.
>>
>> On Thu, Nov 8, 2012 at 10:11 AM, Justina Fischer <JAVFischer@gmx.de>
>> wrote:
>> > Hi Andrew
>> >
>> > when using xtset you have to specify both observational unit and time
>> dimension at the same time.
>> >
>> > E.g. xtset country year
>> >
>> > or xtset id timeline
>> >
>> >
>> > etc.
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