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[S] Interactions in additive models

daemon@ATHENA.MIT.EDU (Ken Richardson)
Wed Aug 25 20:47:14 1999

Message-Id: <199908260044.MAA57612@storm.niwa.cri.nz>
From: "Ken Richardson" <k.richardson@niwa.cri.nz>
To: s-news@wubios.wustl.edu
Date: Thu, 26 Aug 1999 12:47:34 +12
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Hello everyone

I would like to be able to fit separate 2-dimensional smooth 
surfaces within levels of a factor in a generalised additive model.

The book Statistical models in S (Chambers & Hastie) notes that S
did not (at the time of writing) support interactions between smooth
terms and factors.

Has this situation changed since that time?

Ken

PS I'm using Splus Version 3.4 Release 1 for DEC alpha, Digital UNIX 
(OSF/1) V3.2 : 1996 
Ken Richardson
National Institute of Water and Atmospheric Research, Greta Point,
PO BOX 14-901, Kilbirnie, Wellington, New Zealand

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