Thanks you so much guys!!
You're always helpful as usual!!

Have a great day!
> From: gretl-users-request@lists.wfu.edu
> Subject: Gretl-users Digest, Vol 41, Issue 6
> To: gretl-users@lists.wfu.edu
> Date: Tue, 8 Jun 2010 12:00:02 -0400
>
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> Today's Topics:
>
> 1. Urgent question regarding Panel Regressions- Fixed and Random
> Effects (Julio Acu?a)
> 2. * * Urgent question regarding Panel Regressions- Fixed and
> Random Effect (Julio Acu?a)
> 3. Re: troubles with shared libraries under cygwin (denis joubert)
> 4. RES: * * Urgent question regarding Panel Regressions- Fixed
> and Random Effect (Bruno Thiago Tomio)
> 5. Re: * * Urgent question regarding Panel Regressions- Fixed
> and Random Effect (Sven Schreiber)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 7 Jun 2010 11:04:22 -0600
> From: Julio Acu?a <neocell83@hotmail.com>
> Subject: [Gretl-users] Urgent question regarding Panel Regressions-
> Fixed and Random Effects
> To: <gretl-users@lists.wfu.edu>
> Message-ID: <COL112-W17844CCAA47DF737855600A6D50@phx.gbl>
> Content-Type: text/plain; charset="iso-8859-1"
>
>
>
>
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> ------------------------------
>
> Message: 2
> Date: Mon, 7 Jun 2010 11:12:25 -0600
> From: Julio Acu?a <neocell83@hotmail.com>
> Subject: [Gretl-users] * * Urgent question regarding Panel
> Regressions- Fixed and Random Effect
> To: <gretl-users@lists.wfu.edu>
> Message-ID: <COL112-W16BAA9EFDB56527BEF04FEA6D50@phx.gbl>
> Content-Type: text/plain; charset="iso-8859-1"
>
>
> Sorry for the last email, dont know what went wrong.
>
> Here?s my quesitons:
>
> I?m running a panel regression, with 5 different units, 13 observations each for a total of nT=65.
>
> 1. When I test for fixed effects, the test results shows no fxed effects presents, thus common intercept. The thing is that with this regression everything is perfect: normally distributed errors, homescedastic erros, highly significant coefficiets, etc.
>
> With the above mentioned, according to theory I should be able to just run OLS ( pooled regrssion) because there are no fixed effects, But when I do that I get heterescedastic errors, i fix that but I have to modify my model afterwards.
>
>
> THe questions are:
> 1. Is panel regression using some kind of robust estimation technique? such as newey west cov matrix?
> 2. WHen I test for random effects i get the following message: "not enough degrees of freedom", are we using the standard hausman test for random effects?
>
> thanks for everyhtihng , salu2!!
>
>
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> ------------------------------
>
> Message: 3
> Date: Mon, 7 Jun 2010 23:46:21 +0200
> From: denis joubert <denis.joubert@gmail.com>
> Subject: Re: [Gretl-users] troubles with shared libraries under cygwin
> To: Gretl list <gretl-users@lists.wfu.edu>
> Message-ID:
> <AANLkTiklPJiwyquJxhTiQ2ldvJP1M1xegCLJO22ip0Dw@mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
>
> Hi Allin,
> I tried to enable gui in order to build shared modules but it doesn't
> work with the present sources (checkout today).
> It failed on gui2/gtksourceview and no shared librairies can not be
> build into plugin (i tried launching make alone in this) and got this
> message again :
> "libtool: link: warning: undefined symbols not allowed in
> i686-pc-cygwin shared libraries"
> Are you on holiday yet ? hope it is/was good :-)
>
> best regards,
>
> Denis
>
> 2010/6/2 Allin Cottrell <cottrell@wfu.edu>:
> >
> > On Tue, 1 Jun 2010, denis joubert wrote:
> >
> >> the DLL are not compiled under the plugins directory, only .a
> >> and .la are created. It spoke about undefined references when
> >> attempting to create shared librairies in the build process. (i
> >> use --disable-gui )
> >
> > Sorry for the slow-motion responses, but I'm on holiday at
> > present. I suspect that --disable-gui is the problem here, since a
> > few of the plugins do in fact depend on GUI code. I'll have to do
> > some testing of the Windows build.
> >
> > Allin Cottrell
> > _______________________________________________
> > Gretl-users mailing list
> > Gretl-users@lists.wfu.edu
> > http://lists.wfu.edu/mailman/listinfo/gretl-users
> >
>
>
> ------------------------------
>
> Message: 4
> Date: Mon, 7 Jun 2010 21:48:38 -0300
> From: "Bruno Thiago Tomio" <bttomio@al.furb.br>
> Subject: [Gretl-users] RES: * * Urgent question regarding Panel
> Regressions- Fixed and Random Effect
> To: "'Gretl list'" <gretl-users@lists.wfu.edu>
> Message-ID: <81ECE8FD237D4F40A300C8D99EABBDAD@bruno>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Not a full answer, anyway:
>
> To run Hausman's test you need to have a number of cross-units higher than a
> number of variables.
>
> Good luck,
>
> Bruno Thiago Tomio
>
> _____
>
> De: gretl-users-bounces@lists.wfu.edu
> [mailto:gretl-users-bounces@lists.wfu.edu] Em nome de Julio Acu?a
> Enviada em: segunda-feira, 7 de junho de 2010 14:12
> Para: gretl-users@lists.wfu.edu
> Assunto: [Gretl-users] * * Urgent question regarding Panel Regressions-
> Fixed and Random Effect
>
>
> Sorry for the last email, dont know what went wrong.
>
> Here?s my quesitons:
>
> I?m running a panel regression, with 5 different units, 13 observations each
> for a total of nT=65.
>
> 1. When I test for fixed effects, the test results shows no fxed effects
> presents, thus common intercept. The thing is that with this regression
> everything is perfect: normally distributed errors, homescedastic erros,
> highly significant coefficiets, etc.
>
> With the above mentioned, according to theory I should be able to just run
> OLS ( pooled regrssion) because there are no fixed effects, But when I do
> that I get heterescedastic errors, i fix that but I have to modify my
> model afterwards.
>
>
> THe questions are:
> 1. Is panel regression using some kind of robust estimation technique? such
> as newey west cov matrix?
> 2. WHen I test for random effects i get the following message: "not enough
> degrees of freedom", are we using the standard hausman test for random
> effects?
>
> thanks for everyhtihng , salu2!!
>
>
>
> _____
>
> Hotmail: Powerful Free email with security by Microsoft. Get it now.
> <https://signup.live.com/signup.aspx?id=60969>
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> ------------------------------
>
> Message: 5
> Date: Tue, 08 Jun 2010 10:57:00 +0200
> From: Sven Schreiber <svetosch@gmx.net>
> Subject: Re: [Gretl-users] * * Urgent question regarding Panel
> Regressions- Fixed and Random Effect
> To: Gretl list <gretl-users@lists.wfu.edu>
> Message-ID: <4C0E05DC.7030808@gmx.net>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Am 07.06.2010 19:12, schrieb Julio Acu?a:
> > Sorry for the last email, dont know what went wrong.
> >
> > Here?s my quesitons:
> >
> > I?m running a panel regression, with 5 different units, 13 observations
> > each for a total of nT=65.
> >
>
> Standard panel methods are for "large N". This is not the case with your
> data. You still can put unit dummies in a standard regression equation,
> though, and continue from there.
>
> cheers,
> sven
>
>
>
>
> ------------------------------
>
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> End of Gretl-users Digest, Vol 41, Issue 6
> ******************************************

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