[R-sig-ME] Richards growth curve function

[Nicholas Lewin-Koh]

Look in the package drc. they have their own version of a selfstart
function
that can easily be adapted to a SelfStart function.

Nicholas
> ------------------------------
> 
> Message: 2
> Date: Thu, 28 Feb 2008 10:56:38 +0000
> From: Rob Forsyth <r.j.forsyth at newcastle.ac.uk>
> Subject: [R-sig-ME] Richards growth curve function
> To: r-sig-mixed-models at r-project.org
> Message-ID: <0C2792B2-F8DE-40E8-8DC0-FA7976E94186 at newcastle.ac.uk>
> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes
> 
> Have any list members experience of creating an nlme SelfStarting  
> function based on the Richards growth curve function W=A(1-b*Exp(- 
> kt))^M which is a more general form of the logistic and other functions?
> 
> Thanks
> 
> Rob Forsyth
> 
> 
> 
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