[R] Please help me about the regress models!

[Gabor Grothendieck]

Check out
  ?nls
for a description and examples.

On Tue, Nov 11, 2008 at 10:33 PM, Leon_Long <longxien1976 at 126.com> wrote:
>
> I am a bigginer of R language.I need to prepare a PPT which deadline is 15
> Nov. 2008.  I want to build a regress model with my own formula. The formula
> is y=100/(1+exp(a+b*X)). I have no idea of the R program,please demonstrate
> how to do it or give a good sample.
> Anyone would help me? Thank you very much!