3:47 p.m.
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
>> <gretl-users-request(a)lists.wfu.edu> 09-03-28 19:36
>>>
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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(a)uniovi.es>
Subject: [Gretl-users] Runs test
To: "'Gretl list'" <gretl-users(a)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(a)uniovi.es
------------------------------
Message: 2
Date: Tue, 17 Mar 2009 13:35:48 +0100
From: "Ignacio Diaz-Emparanza" <ignacio.diaz-emparanza(a)ehu.es>
Subject: Re: [Gretl-users] Runs test
To: Gretl list <gretl-users(a)lists.wfu.edu>
Message-ID: <200903171335.48879.ignacio.diaz-emparanza(a)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(a)wp.pl>
Subject: RE: [Gretl-users] Recursive resuduals....
To: "'Gretl list'" <gretl-users(a)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(a)lists.wfu.edu
[mailto:gretl-users-bounces@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(a)googlemail.com>
Subject: [Gretl-users] figure, --loess-fit and loop
To: gretl-users(a)lists.wfu.edu
Message-ID:
<e58e62710903280430y31778b2dne2568a9eb51261ad(a)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_$i.eps
endloop
the compiled files will be corrupted. For the other "fit"-options it
works well.
Is there a reason for this?
Best,
Artur
------------------------------
Message: 5
Date: Sat, 28 Mar 2009 10:10:47 -0400 (EDT)
From: Allin Cottrell <cottrell(a)wfu.edu>
Subject: Re: [Gretl-users] figure, --loess-fit and loop
To: Gretl list <gretl-users(a)lists.wfu.edu>
Message-ID: <Pine.A41.4.58.0903281007260.250364(a)f1n11.sp2net.wfu.edu>
Content-Type: TEXT/PLAIN; charset=US-ASCII
On Sat, 28 Mar 2009, artur tarassow wrote:
when I try to generate a xy-plot with the "--loess-fit"
option using
the loop command
foreach i 6 10 100
gnuplot hph_$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(a)googlemail.com>
Subject: Re: [Gretl-users] figure, --loess-fit and loop
To: Gretl list <gretl-users(a)lists.wfu.edu>
Message-ID:
<e58e62710903280733x201d7f05ua05cd24d71707ed3(a)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(a)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(a)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(a)yahoo.com>
Subject: [Gretl-users] getting familiar with the scripts interface
To: gretl-users(a)lists.wfu.edu
Message-ID: <792976.52655.qm(a)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/
3:14 p.m.
On Sat, 6 Jun 2009, Lars Pålsson-Syll wrote:
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 )?
Not at present, but that would not be difficult to add.
Allin Cottrell
4:21 p.m.
Dear Allin,
When I want to estimate a heteroskedasticity
corrected model, it gives an output with WLS as below. Something wrong?
B Miran
Model 2: WLS estimates using 14 observations
from 1936-1952
Missing or incomplete observations dropped: 3
Dependent variable: Y
coefficient std. error t-ratio p-value
--------------------------------------------------------
const
20.3200
2.09293 9.709 2.08e-06
***
X2
0.621689 0.228900
2.716 0.0217 **
X3
0.721299 0.517795
1.393 0.1938
X4
0.725318 0.670564
1.082 0.3048
Statistics based on the
weighted data:
Sum squared resid
16.29103 S.E. of regression 1.276363
R-squared
0.987474 Adjusted R-squared 0.983716
F(3,
10)
262.7731
P-value(F)
8.30e-10
Log-likelihood
-20.92604 Akaike criterion 49.85208
Schwarz criterion 52.40831
Hannan-Quinn 49.61546
Statistics based on the original data:
Mean dependent
var 87.12143 S.D. dependent var
18.64313
Sum squared resid 407.7965
S.E. of regression 6.385895
Excluding the constant,
p-value was highest for variable 4 (X4)
EGE ÜNİVERSİTESİ
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On Sat, 6
Jun 2009, Lars PÃ¥lsson-Syll wrote:
> 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 )?
Not at present, but that would not be difficult to
add.
Allin Cottrell
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mailing list
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4:31 p.m.
I checked out the older versions and saw it begins with heteroscedasticity
corrected not WLS.
EGE ÜNİVERSİTESİ
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kopyalamaniz, yönlendirmeniz ve kullanmanizkesinlikle yasaktir
ve bu elektronik postayi derhal silmeniz gerekmektedir.
EGE ÜNİVERSİTESİ bu mesajin icerdigi bilgilerin doğruluğu veya
eksiksiz oldugu konusunda herhangi bir garanti vermemektedir. Bu
nedenle bu bilgilerin ne sekilde olursa olsun iceriginden, iletilmesinden,
alinmasindan ve saklanmasindan sorumlu degildir.
Bu mesajdaki görüsler yalnizca gönderen kisiye aittir ve
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On Sun, 14 Jun 2009
bulent.miran(a)ege.edu.tr wrote:
> When I want to
estimate a heteroskedasticity corrected model, it
> gives an
output with WLS as below. Something wrong?
What do
you think is wrong here?
Allin Cottrell
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5:03 p.m.
On Sun, 14 Jun 2009 bulent.miran(a)ege.edu.tr wrote:
I checked out the older versions and saw it begins with
heteroscedasticity
corrected not WLS.
Ah, that's just a matter of different labeling. The
"hereroskedasticity corrected" model is in fact just WLS, with the
weights based on the estimated error variance.
Allin Cottrell
5:13 p.m.
New subject: Heteroskedasticty..
Yes.. I also guessed so. However for beginners it may be a confusion. I
wonder if it is possible to label it with a little more explanation for
preventing confusions?
B Miran
EGE ÜNİVERSİTESİ
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EGE ÜNİVERSİTESİ bu mesajin icerdigi bilgilerin doğruluğu veya
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nedenle bu bilgilerin ne sekilde olursa olsun iceriginden, iletilmesinden,
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7:04 p.m.
New subject: Heteroskedasticty..
On Sun, 14 Jun 2009 bulent.miran(a)ege.edu.tr wrote:
Yes.. I also guessed so. However for beginners it may be a confusion.
I
wonder if it is possible to label it with a little more explanation for
preventing confusions?
OK, the label is now amended.
Allin Cottrell
5:46 a.m.
New subject: Heteroskedasticty..
Dear Allin,
Thanks for amendment and your kind informing.
B Miran
----- Original Message -----
From: "Allin Cottrell" <cottrell(a)wfu.edu>
To: "Gretl list" <gretl-users(a)lists.wfu.edu>
Sent: Tuesday, June 16, 2009 22:04
Subject: Re: [Gretl-users] Heteroskedasticty..
On Sun, 14 Jun 2009 bulent.miran(a)ege.edu.tr wrote:
> Yes.. I also guessed so. However for beginners it may be a confusion. I
> wonder if it is possible to label it with a little more explanation for
> preventing confusions?
OK, the label is now amended.
Allin Cottrell
_______________________________________________
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EGE ÜNİVERSİTESİ bu mesajin icerdigi bilgilerin doğruluğu veya
eksiksiz oldugu konusunda herhangi bir garanti vermemektedir. Bu
nedenle bu bilgilerin ne sekilde olursa olsun iceriginden, iletilmesinden,
alinmasindan ve saklanmasindan sorumlu degildir.
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5:34 p.m.
On Sun, 14 Jun 2009, Allin Cottrell wrote:
On Sat, 6 Jun 2009, Lars Pålsson-Syll wrote:
> 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 )?
Not at present, but that would not be difficult to add.
It's now added in CVS/snapshot. Example:
matrix M = {30, 18, 38 ; 13, 7, 22 }
xtab --matrix=M
You can add the --row and/or --column flags to have the values
displayed as percentages.
Allin.
5430
days inactive
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9 comments
4 participants
participants (4)
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Allin Cottrell -
Bulent Miran -
bulent.miran＠ege.edu.tr
-
Lars Pålsson-Syll