On Monday 21 May 2007 16:17, Thomas Reed wrote: > I want to compare the fit of a quadratic model to continuous data, with > that of a cubic spline fit. Is there a way of computing AIC from for e.g. a > GAM with a smoothing spine, and comparing this to AIC from a quadratic > model? library(mgcv) AIC(gam(y~s(x))) ## a `generalized aic' since effective df used AIC(gam(y~x+I(x^2)))
> > > > Cheers > > > > ****************************************** > > Tom Reed > PhD Student > Institute of Evolutionary Biology > 102 Ashworth Laboratories > Kings Buildings > University of Edinburgh > Edinburgh EH9 3JT > > > > [EMAIL PROTECTED] > > > Tel. 00 44 (0)131 6505462 > http://homepages.ed.ac.uk/ecunning/tom.html > http://homepages.ed.ac.uk/loeske/tom.html > > ****************************************** > > > > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html and provide commented, minimal, > self-contained, reproducible code. -- > Simon Wood, Mathematical Sciences, University of Bath, Bath, BA2 7AY UK > +44 1225 386603 www.maths.bath.ac.uk/~sw283 ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
