[R] How to obtain nls parameter estimates

Liaw, Andy andy_liaw at merck.com
Tue Jan 11 00:36:38 CET 2005


Use coefficients(nlsobject), or if you want standard errors, t-statistics,
and p-values, summary(nlsobject)$paramters.

Andy

> From: Jagarlamudi, Choudary
> 
> How can I receive parameter estimates for a given curve that 
> has been fit with the NLS function.  
>  
> The problem is that I have a "n parameter" curve and I want 
> the optimal fit.  The NLS procedure gives me final function 
> values and not the individual parameter estimates that were 
> used to define this "best" fit.  What function can I use to 
> get these parameters?
>  
> Thanks  
>  
> Choudary Jagarlamudi
> Instructor
> Southwestern Oklahoma State University
> STF 254
> 100 campus Drive
> Weatherford OK 73096
> Tel 580-774-7136
> 
> 	[[alternative HTML version deleted]]
> 
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