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Re: st: Ologit question
From
"Anat (Manes) Tchetchik" <[email protected]>
To
[email protected]
Subject
Re: st: Ologit question
Date
Wed, 31 Oct 2012 16:09:17 +0200
No, I have no weighting term and havn't drop any case (I have 148 obs.)
On Wed, Oct 31, 2012 at 3:56 PM, JVerkuilen (Gmail)
<[email protected]> wrote:
> On Wed, Oct 31, 2012 at 9:23 AM, Anat (Manes) Tchetchik
> <[email protected]> wrote:
>> Dear statalist,
>>
>> Sorry for the probably trivial question
>> I ran an Ologit and received the following cutoffs:
>>
>> Coef. Std. Err. 95%
>> Conf. Interval]
>> /cut1 | -1.798009 2.900799 -7.483471 3.887453
>> /cut2 | .7973023 2.793147 -4.677166 6.271771
>> /cut3 | 2.902347 2.794626 -2.57502 8.379713
>> which means that the cutoffs are not significantly different.
>> Does it mean that the entire model is worthless?
>
> Before you jump to any conclusions about the machine not working make
> sure that the cord's plugged in. Did you forget a weighting term or
> did listwise deletion dump most of your cases? Standard errors of
> these cutoffs should be proportional to 1/sqrt(n) and these are huge.
> Usually what happens with a crappy model is that the terms end up not
> separated, but that's not what you have here.
> *
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--
Anat Tchetchik, PhD
Department of Hotel and Tourism Management
Guilford Glazer Faculty of Business and Management
Ben-Gurion University of the Negev
P.O.Box: 653
Beer-Sheva, Israel, 84105
E-mail: [email protected]
Phone 972-(0)8-6479735
Fax: 972-(0)8-6472920
Web: http://cmsprod.bgu.ac.il/Eng/som/hotelmanage/Staff/Academic/ChechikA.htm
*
* For searches and help try:
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* http://www.stata.com/support/faqs/resources/statalist-faq/
* http://www.ats.ucla.edu/stat/stata/