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Re: st: problems with installing the quaids command


From   Marly Tatiana Celis Galvez <[email protected]>
To   [email protected]
Subject   Re: st: problems with installing the quaids command
Date   Sat, 1 Sep 2012 10:50:21 -0500

Hello,
I will take on consideration the number of goods i'm working with.
thanks a lot for your fast response, the command runs perfectly.
Best regards

Marly tatiana

2012/8/31 Brian P. Poi <[email protected]>:
>
> On 08/31/2012 04:38 PM, Marly Tatiana Celis Galvez wrote:
>>
>> Dear Statalisters,
>>
>> I have been written my program quaids for nlsur command, I have had
>> some problems with the estimation procedure, in the output only 60 of
>> 105 parameters are estimated, I don’t know if it is because of the
>> program I wrote or something else. I am not an expert in programing
>> STATA. What can I do? Wait for the next article of Brian Poi or
>> continue studying the STATA programming module? I appreciate any
>> advice.  Regards
>>
>> Marly Tatiana Celis
>>
>
> Marly,
>
> One common problem that results in missing parameter estimates is having too
> many categories (goods) in the demand system given the size of your dataset.
> Fitting systems with many disaggregated goods often requires a rather large
> dataset.  Of course, what constitutes "many" and "rather large" depends on
> the specific application.
>
> I will forward a copy of my article and command to Marly momentarily.
>
>
>    -- Brian Poi
>    -- [email protected]
> *
> *   For searches and help try:
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> *   http://www.ats.ucla.edu/stat/stata/



-- 
Marly Tatiana Celis Gálvez

*
*   For searches and help try:
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*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/


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