[R] define a new family (and a new link function) for gam in gam package

[Topi, Corrado]

Dear R list,

is it possible to define a new family (and a new link function) for gam 
in gam package? How?

I read the help for gam, family, gam.model, make.link but I did not find 
a solution.

Regards
-- 
Corrado Topi

Area 18,Department of Biology
University of York, York, YO10 5YW, UK
Phone: + 44 (0) 1904 328645, E-mail: ct529 at york.ac.uk