Bookmark and Share

Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: st: RE: Areg, absorb

From   Nick Cox <>
Subject   Re: st: RE: Areg, absorb
Date   Mon, 11 Apr 2011 13:55:39 +0100

Everything depends on whether you want dummies for _combinations_ of
-country1-, -country2- and -year-.

What precisely defines a panel?


On Mon, Apr 11, 2011 at 1:30 PM, emanuele mazzini
<> wrote:

> I tried that but doesn't really work. Curiously, Stata reports
> insufficient observations. That's kind of strange, however.
> 2011/4/11 Jan Bryla <>:
>> Would it not be possible for you to first generate group id's based on country1 country2 and year, and then use -areg- to control for each group? I think that would capture the desired effects.
>> In that case it would be something like:
>> Egen id=group(country1 country2 year)
>> Areg ..., abs(id)
>> /Jan Bryla
>> -----Original Message-----
>> From: [] On Behalf Of emanuele mazzini
>> Sent: 11. april 2011 13:33
>> To:
>> Subject: st: Areg, absorb
>> Dear all Stata users,
>> I am trying to work out a regression with panel data in which I have
>> to control for country1, country2 and year.
>> I tried to ran a regression after creating a dummy for all three of
>> them and obviously in the result Stata reports the estimates of all
>> the dummies I created which I do not want to show in the output of the
>> regression. I tried to get the same result with the command: areg...,
>> absorb(varname)  but the point is that areg does not allow me to
>> include more than one variable, and in this case I would need three.
>> Hence, my brief question is: is there a way to include in the
>> regression the fixed effects for country1, country2 and year without
>> Stata showing all the coefficients of the dummies I create?

*   For searches and help try:

© Copyright 1996–2018 StataCorp LLC   |   Terms of use   |   Privacy   |   Contact us   |   Site index