Message-ID: <49565935.6040306@statistik.tu-dortmund.de>
Date: 2008-12-27T16:35:01Z
From: Uwe Ligges
Subject: starting values update
In-Reply-To: <49565864.508@biostat.ku.dk>
Peter Dalgaard wrote:
> Uwe Ligges wrote:
>>
>>
>> Nadine Mugusa wrote:
>>> Hi all,
>>> does anyone know how to automatically update starting values in R?
>>
>> See ?set.seed
>
> Off target, Uwe.
Right, thanks and apologies, haven't read carefully enough....
Uwe
> This was about starting values for a nonlinear fit.
> More likely something about self-starting models is relevant here.
> There's a chapter in the 2nd edition of my book, but it doesn't quite go
> all the way to writing your own self-starting models. There's a brief
> outline and an example in some oldish course slides here:
>
> http://staff.pubhealth.ku.dk/~pd/pkpd2003/nls.pdf
>
> (And please don't quote entire digests back to the list. It is
> potentially explosive...)
>
> -p
>
>>
>> Uwe Ligges
>>
>>
>>> I' m fitting multiple nonlinear models and would like to know how I
>>> can update starting values without having to type them in.
>>> thank all
>>>
>