[R] GAM: Getting standard errors from the parametric terms in a GAM model

Thomas Lumley tlumley at u.washington.edu
Wed Dec 22 17:26:37 CET 2004

On Tue, 21 Dec 2004, Jean G. Orelien wrote:

> I am new to R.  I'm using the function GAM and wanted to get standard errors
> and p-values for the parametric terms (I fitted a semi-parametric models).
> Using the function anova() on the object from GAM, I only get  p-values for
> the nonparametric terms.
> Does anyone know if and how to get standard errors for the parametric terms?

If you mean gam() in the gam package then, yes, someone does but it hasn't 
been included in the package yet.  It is described in the current issue of 
JASA.  Code for S-PLUS is supposed to be at
but that is currently not working.


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