Re: [R] comparing fit of cubic spline

From: Ben Bolker <>
Date: Mon, 21 May 2007 16:05:16 +0000 (UTC)

Thomas Reed <tom.reed <at>> writes:

> 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?

  Why don't you try AIC() on each of the fitted models and see what happens? In general R can compute log-likelihoods and AICs for most fitted model objects ... If it doesn't work, you can post your simple example to the list and get more advice then ...

  Ben Bolker mailing list PLEASE do read the posting guide and provide commented, minimal, self-contained, reproducible code. Received on Mon 21 May 2007 - 16:10:14 GMT

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