[R] Gam() function in R
henric.nilsson at statisticon.se
Mon Dec 6 12:14:14 CET 2004
At 10:48 2004-12-06 +0100, Yves Magliulo wrote:
>this subject is very intersting for me. I'm using mgcv 0.8-9 with R
You're in need of an update.
>i didn't know that there was an another gam version with
This is the 'classic' GAM implementation by Hastie & Tibshirani, discussed
at length in Hastie & Tibshirani (1990) and in the White book.
In fact, other implementations of the GAM concept also exists. Take a look
at the gss and assist packages; both are at CRAN, and the former is support
software for Gu's `Smoothing Spline ANOVA Models' book. There's also the
vgam http://www.stat.auckland.ac.nz/~yee/VGAM/ and SemiPar packages
http://web.maths.unsw.edu.au/~wand/webspr/rsplus.html; the latter is
support software for the `Semiparametric Regression' book by Ruppert, Wand
and Carroll. And there's probably more out there...
> Someone can tell me the basics differences between
>them? I look for an help page on google but i only find "mgcv" help
Simon Wood (author of the mgcv package) has written a brief but useful
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