[R] nls()

[Gabor Grothendieck]

On Wed, Aug 15, 2012 at 9:08 PM, li li <hannah.hlx at gmail.com> wrote:
> Dear all,
>   I have a question on the four parameter logistic regression.
> Not sure about how to set the start values for the parameters.
> Can anyone familiar with this give some hint? Thanks so much.
>
>

See ?SSfpl which is the self-starter four parameter logistic, i.e. no
starting values needed when you use it as in the example at the bottom
of the help page.


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