[R] "gam()" in "gam" package

[Duncan Murdoch]

On 24/12/2007 6:59 PM, Kunio takezawa wrote:
> R-users
> E-mail: r-help at r-project.org
> 
>>>  I found the answer myself.
>>>  '.Fortran("baklo",' in lo.wam() and  .Fortran("bakfit",in
>>> s.wam() may carry out backfitting. But I cannot
>>> create an R code which gives the same results as those of
>>> "bakfit". If someone knows the detail of "bakfit" algorithm,
> 
> Thomas>The source code for both Fortran routines is in the package.  If I
> recal
> Thomas>correctly the book by Hastie & Tibshirani has descriptions of
> Thomas>the algorithms they used.
> 
>    I failed to find the Fortran source codes. Please specify the names
> of folder and files.

You may have a binary install of the package; you need the source.  Look 
in http://cran.r-project.org/src/contrib/gam_0.98.tar.gz, files 
gam/src/backfit.f and gam/src/backlo.f

Duncan Murdoch