[R] gam, what is the function(s)

Bert Gunter gunter.berton at gene.com
Fri Dec 9 16:30:34 CET 2011


There is an extensive list of references given in ?gam, including an
R-news article and Simon Woods's (gam's author) website. Would that
not be the logical place to start?

-- Bert

On Fri, Dec 9, 2011 at 7:05 AM, Ben quant <ccquant at gmail.com> wrote:
> Hello,
>
> I'd like to understand 'what' is predicting the response for library(mgcv)
> gam?
>
> For example:
>
> library(mgcv)
> fit <- gam(y~s(x),data=as.data.frame(l_yx),family=binomial)
> xx <- seq(min(l_yx[,2]),max(l_yx[,2]),len=101)
> plot(xx,predict(fit,data.frame(x=xx),type="response"),type="l")
>
> I want to see the generalized function(s) used to predict the response that
> is plotted above. In other words, f(x) = {[what?]}. I'm new to gam and
> relatively new to R. I did read ?gam, but I didn't see what I wanted.
>
> Thanks,
>
> Ben
>
>        [[alternative HTML version deleted]]
>
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-- 

Bert Gunter
Genentech Nonclinical Biostatistics

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