[R] R help

[Michael Bedward]

Hi Ahmed,

Does 'quadratic plateau' model refer to a chage-point or bent-cable
regression with quadratic on one side and an asymptote on the other ?
If so, you might like to look at the bentcableAR package.  There is a
background article here:
http://faculty.washington.edu/gchiu/Articles/bentcable-jasa.pdf

Michael


On 22 November 2010 06:06, Ahmed Attia <ahmedatia80 at gmail.com> wrote:
> Dear All,
>
> I'm a beginner user in R and I would like to make a quadratic and
> plateau model in R. Can you help please with an example?
>
> Thanks so much
>
>
>
> --
> Ahmed M. Attia
> Assistant Lecturer
> El-Khattara farm Station
> Agronomy Dept.,
> Zgazig Univ., Egypt
> Visiting Scientist
> Haskell Agricultural laboratory
> Agronomy and Horticultural Dept.,
> Univ. of Nebraska-Lincoln
> ahmedatia at zu.edu.eg
> aattiamohamed2 at unlnotes.unl.edu
> Cell phone: 4023604178
>
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