Nested models? - R-help | R Mailing Lists

Thu, Aug 22, 2002 5:35 AM #

Hello R users:

I have two questions:

1. How can I perform Nested (several levels) mixed experimental models in R?

2. Where can I find the fac.design, design functions in R?

Thank you very much.

Kenneth Roy Cabrera Torres
Unviersidad Nacional de Colombia, Sede Medell?n
Instituto de Ciencias Naturales y Ecolog?a
Escuela de Geociencias
e-mail krcabrer at unalmed.edu.co
Tel +57 (4) 430-9308



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Kjetil Halvorsen

Thu, Aug 22, 2002 9:31 AM #

Hola!

This cvan be done with the nlme package, function lme, quiet easily, 
but it is a goog idea to buy the Pinheiro/Bates book. Or mayby MASS4
covers this enough for a start?

2. AFAIK, this doesnt exist in R. 

Kjetil Halvorsen

Kenneth Cabrera wrote:

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Brian Ripley

Thu, Aug 22, 2002 12:22 PM #

On Thu, 22 Aug 2002, kjetil halvorsen wrote:

If you have balanced nested mixed models, aov using Error may be a bit
easier.  MASS3 and MASS4 have examples done both ways.

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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