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RE: st: Ordered Probit with Panel Data [reoprob]


From   "ALICE DOBSON" <alice_dobson@hotmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   RE: st: Ordered Probit with Panel Data [reoprob]
Date   Tue, 11 Apr 2006 13:03:56 -0400

Thanks Maarten. It makes no difference.



From: "Maarten Buis" <M.Buis@fsw.vu.nl>
Reply-To: statalist@hsphsun2.harvard.edu
To: <statalist@hsphsun2.harvard.edu>
Subject: RE: st: Ordered Probit with Panel Data [reoprob]
Date: Tue, 11 Apr 2006 18:56:51 +0200

type:
version 8.2
oprobit denentry totalpsl inctotpsl ldvolperpsl incldvolperpsl pslperixc
incpslperixc c1


see -whelp version-

-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands

visiting adress:
Buitenveldertselaan 3 (Metropolitan), room Z214

+31 20 5986715

http://home.fsw.vu.nl/m.buis/
-----------------------------------------

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu]On Behalf Of ALICE DOBSON
Sent: dinsdag 11 april 2006 18:57
To: statalist@hsphsun2.harvard.edu
Subject: RE: st: Ordered Probit with Panel Data [reoprob]

Thanks Maarten. I tried the former but to no difference. For the second, I
use Stata 9.1, how can I use version 8.2?
.


>From: "Maarten Buis" <M.Buis@fsw.vu.nl>
>Reply-To: statalist@hsphsun2.harvard.edu
>To: <statalist@hsphsun2.harvard.edu>
>Subject: RE: st: Ordered Probit with Panel Data [reoprob]
>Date: Tue, 11 Apr 2006 18:49:04 +0200
>
>One thing you want to do is rescale your explanatory variables, (e.g.
>divide totalpsl by 1,000,000) so you get more meaningful parameters. This
>sometimes also helps with errors like the ones you have. If it doesn't help
>use Richard's suggestion to start with -version 8.2-.
>
>-----------------------------------------
>Maarten L. Buis
>Department of Social Research Methodology
>Vrije Universiteit Amsterdam
>Boelelaan 1081
>1081 HV Amsterdam
>The Netherlands
>
>visiting adress:
>Buitenveldertselaan 3 (Metropolitan), room Z214
>
>+31 20 5986715
>
>http://home.fsw.vu.nl/m.buis/
>-----------------------------------------
>
>-----Original Message-----
>From: owner-statalist@hsphsun2.harvard.edu
>[mailto:owner-statalist@hsphsun2.harvard.edu]On Behalf Of ALICE DOBSON
>Sent: dinsdag 11 april 2006 18:43
>To: statalist@hsphsun2.harvard.edu
>Subject: Re: st: Ordered Probit with Panel Data [reoprob]
>
>Thanks a lot Richards.
>
>Here is the oprob command line.
>
>reoprob denentry totalpsl inctotpsl ldvolperpsl incldvolperpsl pslperixc
>incpslperixc c1, i(sac)
>where sac is the panel ID variable
>
>
>
>Please find below the oprobit estimates with the same variables.
>
>
>oprobit denentry totalpsl inctotpsl ldvolperpsl incldvolperpsl pslperixc
>incpslperixc c1
>
>Iteration 0: log likelihood = -819.32506
>Iteration 1: log likelihood = -804.45505
>Iteration 2: log likelihood = -802.44132
>Iteration 3: log likelihood = -801.99999
>Iteration 4: log likelihood = -801.98951
>Iteration 5: log likelihood = -801.9895
>
>Ordered probit regression Number of obs =
>2185
> LR chi2(7) =
>34.67
> Prob > chi2 =
>0.0000
>Log likelihood = -801.9895 Pseudo R2 =
>0.0212
>
>------------------------------------------------------------------------------
> denentry | Coef. Std. Err. z P>|z| [95% Conf.
>Interval]
>-------------+----------------------------------------------------------------
> totalpsl | -8.61e-07 2.48e-07 -3.47 0.001 -1.35e-06
>-3.75e-07
> inctotpsl | .0000117 4.92e-06 2.39 0.017 2.10e-06
>.0000214
>ldvolperpsl | -.0663414 .0484572 -1.37 0.171 -.1613158
>.028633
>incldvolpe~l | -.0190692 .1165205 -0.16 0.870 -.2474451
>.2093067
> pslperixc | .0000134 3.16e-06 4.23 0.000 7.19e-06
>.0000196
>incpslperixc | 3.54e-06 4.28e-06 0.83 0.408 -4.85e-06
>.0000119
> c1 | -.0090175 .0030619 -2.95 0.003 -.0150187
>-.0030163
>-------------+----------------------------------------------------------------
> /cut1 | .5188891 .3154155 -.0993139
>1.137092
> /cut2 | 1.050361 .3172624 .4285386
>1.672184
> /cut3 | 1.257379 .3195799 .6310139
>1.883744
> /cut4 | 1.400535 .321929 .7695659
>2.031504
> /cut5 | 1.568453 .325447 .9305884
>2.206317
> /cut6 | 1.735414 .3309201 1.086822
>2.384005
> /cut7 | 1.811064 .3343915 1.155669
>2.46646
> /cut8 | 2.132501 .3601558 1.426609
>2.838393
> /cut9 | 2.261056 .3785036 1.519202
>3.002909
>
>
> >From: Richard Williams <Richard.A.Williams.5@ND.edu>
> >Reply-To: statalist@hsphsun2.harvard.edu
> >To: statalist@hsphsun2.harvard.edu
> >Subject: Re: st: Ordered Probit with Panel Data [reoprob]
> >Date: Tue, 11 Apr 2006 11:00:18 -0500
> >
> >At 09:50 AM 4/11/2006, ALICE DOBSON wrote:
> >>HI all,
> >>I use Stata 9.1. I apologise for repeating this question in case someone
> >>already addressed the same and I missed it. I had earlier posted this
> >>question on Mar 29, 06.
> >>
> >>I ran an oprobit with a panel data and got the estimates. Of course, the
> >>regression model does not consider the panel nature of the data. But,
>when
> >>I am running an reoprob with exactly the same variables I get the
> >>following message.
> >>
> >>conformability error
> >>r(503);
> >
> >Alice, perhaps you could show us the exact command you gave? My wild
>guess
> >is that either (a) you've got a syntax error, or (b) there is some sort
>of
> >multicollinearity problem. But, it is hard to say without more details.
> >
> >
> >-------------------------------------------
> >Richard Williams, Notre Dame Dept of Sociology
> >OFFICE: (574)631-6668, (574)631-6463
> >FAX: (574)288-4373
> >HOME: (574)289-5227
> >EMAIL: Richard.A.Williams.5@ND.Edu
> >WWW (personal): http://www.nd.edu/~rwilliam
> >WWW (department): http://www.nd.edu/~soc
> >
> >*
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>
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