[R] help: what are the basis functions in {mgcv}: gam?

Simon Wood s.wood at bath.ac.uk
Tue Mar 24 11:50:59 CET 2009

If you can't get hold of the book, try appendix A of 
-- what's described there is the "cr" basis


On Tuesday 24 March 2009 05:01, oliviax wrote:
> Thanks for Andrew Robinson's suggestion.
> I am sorry that I have been looking for the book Wood (2006) "Generalized
> Additive Models: Introduction with R" for a long time in my univerity and
> book stores, but I failed to find one. I think it may take a long time to
> buy one from the Internet, and we are required to submit the master thesis
> soon...
> Could any one help me if you know other references or have knowledge about
> this??
> I will be very very thankful.
> Sincerely yours,
> Olivia
> oliviax wrote:
> > I am writing my thesis with the function gam(), with the package {mgcv}.
> >
> > My command is: gam(y~s(x1,bs="cr")+s(x2, bs="cr")).
> >
> > I need help to know what are the default basis funcitons for gam. I have
> > not found any detailed reference for this.
> >
> > Can anyone help me with this??

> Simon Wood, Mathematical Sciences, University of Bath, Bath, BA2 7AY UK
> +44 1225 386603  www.maths.bath.ac.uk/~sw283

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