[Gretl-users] Sv: Gretl-users Digest, Vol 26, Issue 5

Lars Pålsson-Syll Lars.Palsson-Syll at mah.se
Sat Jun 6 11:47:23 EDT 2009


Re: cross-tabulation without original raw data
Hi,
Is there any possibility of performing a cross-tabulation in gretl when
you only have 
aggregated frequencies (I'm thinking of something analogous to Stata's
"tabi" command )?
Beste regards,
Lars P Syll

Lars Pålsson Syll
Professor of Civics
Malmö University
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Today's Topics:

   1. Runs test (Ana Jes?s L?pez)
   2. Re: Runs test (Ignacio Diaz-Emparanza)
   3. RE: Recursive resuduals.... (Mariusz Doszy?)
   4. figure, --loess-fit and loop (artur tarassow)
   5. Re: figure, --loess-fit and loop (Allin Cottrell)
   6. Re: figure, --loess-fit and loop (artur tarassow)
   7. getting familiar with the scripts interface (Raz Lev)
   8. Re: getting familiar with the scripts interface (Allin Cottrell)


----------------------------------------------------------------------

Message: 1
Date: Tue, 17 Mar 2009 12:06:18 +0100
From: Ana Jes?s L?pez <anaj at uniovi.es>
Subject: [Gretl-users] Runs test
To: "'Gretl list'" <gretl-users at lists.wfu.edu>
Message-ID: <002101c9a6f0$660f2440$322d6cc0$@es>
Content-Type: text/plain; charset=utf-8

Hello
I am having problems while running the runs test in levels, since the
number of runs (R) in the variable 'c_cemento'is always equal to 1 and
therefore the p value is always very low thus rejecting the null
hypothesis of randomness.
This problem does not appear when the test is run over the
first-difference series.
Thanks and best regards

Ana J.L├│pez
anaj at uniovi.es




------------------------------

Message: 2
Date: Tue, 17 Mar 2009 13:35:48 +0100
From: "Ignacio Diaz-Emparanza" <ignacio.diaz-emparanza at ehu.es>
Subject: Re: [Gretl-users] Runs test
To: Gretl list <gretl-users at lists.wfu.edu>
Message-ID: <200903171335.48879.ignacio.diaz-emparanza at ehu.es>
Content-Type: text/plain;  charset="utf-8"

El Tuesday 17 March 2009 12:06:18 Ana Jes├║s L├│pez escribi├│:
> Hello
> I am having problems while running the runs test in levels, since the
> number of runs (R) in the variable 'c_cemento'is always equal to 1 and
> therefore the p value is always very low thus rejecting the null
hypothesis
> of randomness. This problem does not appear when the test is run over
the
> first-difference series. Thanks and best regards

This is normal if c_cemento is always positive. The runs test is based
on the 
number of positive runs and negative runs, and tests randomness around
the 
zero value. If all numbers are positive, there is only one run.
(See for example http://en.wikipedia.org/wiki/Wald-Wolfowitz_runs_test )



-- 
Ignacio Diaz-Emparanza  
DEPARTAMENTO DE ECONOMÍA APLICADA III (ECONOMETRÍA Y ESTADÍSTICA)
UPV/EHU
Avda. Lehendakari Aguirre, 83 | 48015 BILBAO
T.: +34 946013732 | F.: +34 946013754
www.et.bs.ehu.es 



------------------------------

Message: 3
Date: Tue, 17 Mar 2009 16:33:19 +0100
From: Mariusz Doszy? <madosz at wp.pl>
Subject: RE: [Gretl-users] Recursive resuduals....
To: "'Gretl list'" <gretl-users at lists.wfu.edu>
Message-ID: <000701c9a715$bbd28e60$3377ab20$@pl>
Content-Type: text/plain;	charset="utf-8"

Hello...
I've installed current snapshot and now it works fine... But thanks...
Best wishes,
Mariusz
Poland


-----Original Message-----
From: gretl-users-bounces at lists.wfu.edu
[mailto:gretl-users-bounces at lists.wfu.edu] On Behalf Of Ignacio
Diaz-Emparanza
Sent: Tuesday, March 17, 2009 11:41 AM
To: Gretl list
Subject: Re: [Gretl-users] Recursive resuduals....

El Monday 16 Ma> Hello.I'm trying to write a script computing recursive residuals. 
> You're probably familiar with the concept how to obtain such a 
> residual: after estimating model for (n+1) observations (with dummy 
> variable equals 1 for observation number (n+1)) t-value for dummy 
> variable is multiplied by standard error of residuals. Unfortunately
something is wrong.


I see no problem. The output I obtained is in the attachment.






------------------------------

Message: 4
Date: Sat, 28 Mar 2009 12:30:21 +0100
From: artur tarassow <artur.tarassow at googlemail.com>
Subject: [Gretl-users] figure, --loess-fit and loop
To: gretl-users at lists.wfu.edu
Message-ID:
	<e58e62710903280430y31778b2dne2568a9eb51261ad at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

Hello,

when I try to generate a xy-plot with the "--loess-fit" option using
the loop command

foreach i 6 10 100
gnuplot hph_$i hpwa_lab_$i --loess-fit --output=hp_h_wa_lab_$i.eps
endloop

the compiled files will be corrupted. For the other "fit"-options it
works well.

Is there a reason for this?

Best,
Artur


------------------------------

Message: 5
Date: Sat, 28 Mar 2009 10:10:47 -0400 (EDT)
From: Allin Cottrell <cottrell at wfu.edu>
Subject: Re: [Gretl-users] figure, --loess-fit and loop
To: Gretl list <gretl-users at lists.wfu.edu>
Message-ID: <Pine.A41.4.58.0903281007260.250364 at f1n11.sp2net.wfu.edu>
Content-Type: TEXT/PLAIN; charset=US-ASCII

On Sat, 28 Mar 2009, artur tarassow wrote:

> when I try to generate a xy-plot with the "--loess-fit" option using
> the loop command
>
> foreach i 6 10 100
> gnuplot hph_$i hpwa_lab_$i --loess-fit --output=hp_h_wa_lab_$i.eps
> endloop
>
> the compiled files will be corrupted. For the other
> "fit"-options it works well.
>
> Is there a reason for this?

Yes ;-)  The file were not actually corrupted, they were just
plain text gnuplot command files, not EPS.  The trouble is that
when you select the loess plot option a special graphing function
is called, and that function was not getting the message that a
specific output format was wanted.

This is now fixed in CVS; I'll put up a fixed Windows snapshot
shortly.

Allin.


------------------------------

Message: 6
Date: Sat, 28 Mar 2009 15:33:54 +0100
From: artur tarassow <artur.tarassow at googlemail.com>
Subject: Re: [Gretl-users] figure, --loess-fit and loop
To: Gretl list <gretl-users at lists.wfu.edu>
Message-ID:
	<e58e62710903280733x201d7f05ua05cd24d71707ed3 at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

Excellent work Allin,

thanks very much for that! ;)

Best,
Artur

2009/3/28 Allin Cottrell <cottrell at wfu.edu>:
> On Sat, 28 Mar 2009, artur tarassow wrote:
>
>> when I try to generate a xy-plot with the "--loess-fit" option using
>> the loop command
>>
>> foreach i 6 10 100
>> gnuplot hph_$i hpwa_lab_$i --loess-fit --output=hp_h_wa_lab_$i.eps
>> endloop
>>
>> the compiled files will be corrupted. For the other
>> "fit"-options it works well.
>>
>> Is there a reason for this?
>
> Yes ;-) áThe file were not actually corrupted, they were just
> plain text gnuplot command files, not EPS. áThe trouble is that
> when you select the loess plot option a special graphing function
> is called, and that function was not getting the message that a
> specific output format was wanted.
>
> This is now fixed in CVS; I'll put up a fixed Windows snapshot
> shortly.
>
> Allin.
> _______________________________________________
> Gretl-users mailing list
> Gretl-users at lists.wfu.edu
> http://lists.wfu.edu/mailman/listinfo/gretl-users
>



------------------------------

Message: 7
Date: Sat, 28 Mar 2009 09:13:55 -0700 (PDT)
From: Raz Lev <raz_lev at yahoo.com>
Subject: [Gretl-users] getting familiar with the scripts interface
To: gretl-users at lists.wfu.edu
Message-ID: <792976.52655.qm at web34601.mail.mud.yahoo.com>
Content-Type: text/plain; charset="us-ascii"

hi
I am trying to learn how to use the scripting interface - is there any
trainDoes anyone have any tips about getting started? I am trying to do basic
things like cleaning up a sample, getting descriptive stats and running
some regressions and even though I can do all of this through the GUI I
would like to get familiar with the console. 

thanks. 

 "I often see problems in the world and wonder why someone doesn't fix
them. Then I realize that I am someone, and that makes me feel bad
because it is all my fault."
http://dilbert.com/blog/entry/fixing_the_world/


      
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Message: 8
Date: Sat, 28 Mar 2009 14:27:24 -0400 (EDT)
From: Allin Cottrell <cottrell at wfu.edu>
Subject: Re: [Gretl-users] getting familiar with the scripts interface
To: Gretl list <gretl-users at lists.wfu.edu>
Message-ID: <Pine.A41.4.58.0903281422220.856192 at f1n11.sp2net.wfu.edu>
Content-Type: TEXT/PLAIN; charset=US-ASCII

On Sat, 28 Mar 2009, Raz Lev wrote:

> I am trying to learn how to use the scripting interface - is
> there any training / learning resource available except for the
> user manual?

I know of two very good sites, there may be others.

Lee Adkins: http://www.learneconometrics.com/gretl.html
See in particular his free ebook,
http://www.learneconometrics.com/gretl/ebook.pdf

Wilson Mixon and Ryan Smith:
http://csob.berry.edu/faculty/economics/gretlguide/GretlGuide.html

Allin Cottrell


------------------------------

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