[R] SE from nleqslv

FU-WEN LIANG fliang81 at gmail.com
Tue Mar 20 15:36:37 CET 2012

On Tue, Mar 20, 2012 at 4:24 AM, Berend Hasselman <bhh at xs4all.nl> wrote:
> On 20-03-2012, at 01:01, FU-WEN LIANG wrote:
> > Dear R-users,
> >
> > I use the "nleqslv" function to get parameter estimates by solving a
> > system
> > of non-linear equations. But I also need standard error for each of
> > estimates. I checked the nleqslv manual but it didn't mention about SE.
> > Is there any way to get the SE for each estimate?
> nleqslv is for solving a nonlinear system of equations. Only that.
> If you provide a system of equations for determining standard errors then
> nleqslv might be able to solve that system.
> You can use nleqslv to investigate the sensitivity of a solution wrt
> changes in parameters.
> Berend

Thank you very much for your advice, Berend.
Would you please give me a hint about "the sensitivity of a solution
wrt changes in parameters"? What statistics can we use?
Thank you.

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