[R] Nested AIC

From: Aaron MacNeil <M.A.MacNeil_at_ncl.ac.uk>
Date: Tue 21 Feb 2006 - 04:16:55 EST

I have recently come into some confusion over weather or not AIC results for comparing among models requires that they be nested. Reading Burnham & Anderson (2002) they are explicit that nested models are not required, but other respected statisticians have suggested that nesting is a pre-requisite for comparison. Could anyone who feels strongly regarding either position post their arguments for or against nested models and AIC? This would assist me greatly in some analysis I am currently conducting. Many thanks,


m aaron macneil

school of marine science

     and technology
university of newcastle
newcastle upon tyne, uk
ne1 7ru

m.a.macneil at ncl.ac.uk

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