Austin,
The question I am posting is not about a question that I am asking on a problem set. Rather it is about additional coding I am trying to do to better explain results that are reported in the paper. I hope this addresses your concern. If not, please let me know.
Carl
________________________________________
From: [email protected] [[email protected]] On Behalf Of Austin Nichols [[email protected]]
Sent: Friday, February 05, 2010 2:35 PM
To: [email protected]
Subject: Re: st: nlsur error cannot have fewer observations than parameters
Nelson, Carl <[email protected]>:
"Please do not post homework questions, and please ignore any that are posted."
http://www.stata.com/support/faqs/res/statalist.html#question
On Fri, Feb 5, 2010 at 3:27 PM, Nelson, Carl <[email protected]> wrote:
> I would never choose such a specification for research. I am working on this for a problem set for a PhD class using the JAE data archive. Coelli reports that estimation of the model with convexity imposed was accomplished by maximum likelihood estimation of the system in Shazam. I don's want to make to big a point of it, but the results that I am seeing causes me to think that the parameter estimates are very fragile.
>
> I'm hoping someone can give me more insight into the cannot have fewer observations than parameters
> r(2001); error. Thanks.
>
> Carl Nelson
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