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Re: st: xtlogit fe


From   "Rodrigo A. Alfaro" <ralfaro76@hotmail.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   Re: st: xtlogit fe
Date   Tue, 18 Jul 2006 10:42:44 -0400

Dirk,

(1) Please post using plain-text.
(2) Check that really your dependent variable is 0 or 1.
-tab y, m- or something like that.
(3) I understand that -xtlogit, fe- automatically drop out all
positive or all negatives outcomes.
(4) Use -tsset id time- before the command.
(5) I am almost sure that -xtlogit, fe- is -clogit-, try this
command, maybe you need an additional option.

Rodrigo.

----- Original Message ----- 
From: Dirk Nachbar
To: statalist
Sent: Tuesday, July 18, 2006 8:19 AM
Subject: Re: st: xtlogit fe


Jeph
I exclude groups which have only 1s or only 0s.
Dirk Nachbar
Assistant Economist
Pensim2
Department for Work and Pensions
Level 4, The Adelphi
1-11 John Adam St
WC2N 6HT London
020 796 28531
jherrin@flyingbuttress.net 18/07/2006 13:13To 
statalist@hsphsun2.harvard.edu@internet cc Subject Re: st: xtlogit fe

Some output would be helpful. But if you are running xtlogit, why
would you want to exclude all outcomes that are 1 or 0? If there are
no 0s, then xtlogit (like logit) will fail.
Jeph
Dirk Nachbar wrote:
> Dear all
>
> I want to run an xtlogit with fixed effects but Stata won't do it. It
> complains about multiple positive outcomes within groups. I did exclude
> observations where all outcomes are 1 or 0. It then reports a sorting
> error. Why?
>
> Dirk Nachbar
>
> Assistant Economist
>
> Pensim2
>
> Department for Work and Pensions
>
> Level 4, The Adelphi
>
> 1-11 John Adam St
>
> WC2N 6HT London
>
> 020 796 28531
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