[R] Poor performance of "Optim"

[Joshua Wiley]

Is there a question or point to your message or did you simply feel
the urge to inform the entire R-help list of the things that you
consider?

Josh

On Fri, Sep 30, 2011 at 11:12 PM, yehengxin <xye78 at hotmail.com> wrote:
> I used to consider using R and "Optim" to replace my commercial packages:
> Gauss and Matlab.  But it turns out that "Optim" does not converge
> completely.  The same data for Gauss and Matlab are converged very well.  I
> see that there are too many packages based on "optim" and really doubt if
> they can be trusted!
>
> --
> View this message in context: http://r.789695.n4.nabble.com/Poor-performance-of-Optim-tp3862229p3862229.html
> Sent from the R help mailing list archive at Nabble.com.
>
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-- 
Joshua Wiley
Ph.D. Student, Health Psychology
Programmer Analyst II, ATS Statistical Consulting Group
University of California, Los Angeles
https://joshuawiley.com/