[R] logistic regression
spencer.graves at pdf.com
Mon Aug 2 18:00:14 CEST 2004
Have you considered function "glm" with some polynomial in the
independent variable? Regarding a more general reference, have you seen
Venables and Ripley (2002) Modern Applied Statistics with S, 4th ed.
(Springer)? If the answer to either of these questions is "no", you
might get many answers to these and related questions from these
references, including working the examples provided with the "glm"
documentation -- and in reading the posting guide!
hope this helps. spencer graves
Kevin Cummins wrote:
> I have a system with a binary response variable that was hypothesized
> to follow a simple logistic function. The relationship between the
> continuous independent variable and the logit is clearly not
> monotonic. I have two questions. 1) Can anyone recommend a reference
> that describes my modeling options in this case, and 2) what
> facilities does R have to deal with this situation?
> Kevin Cummins
> School of Medicine
> University of California San Diego
> R-help at stat.math.ethz.ch mailing list
> PLEASE do read the posting guide!
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