I thought addition was commutative. I am puzzled by your question. --------------------------------------------------------------------------- Jeff Newmiller The ..... ..... Go Live... DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go... Live: OO#.. Dead: OO#.. Playing Research Engineer (Solar/Batteries O.O#. #.O#. with /Software/Embedded Controllers) .OO#. .OO#. rocks...1k --------------------------------------------------------------------------- Sent from my phone. Please excuse my brevity.
Silvano Cesar da Costa <silv...@uel.br> wrote: >Hi, > >I'm fitting a model with 3 variables: A, B and SNP. >The response variable is Y. > >I would like fit the following model, in this order: > >Y ~ A + B + A*B + SNP > >In general, the R sets of the form: > >Y ~ A + B + SNP + A*B > >How do this? > > >--------------------------------------------- >Silvano Cesar da Costa > >Universidade Estadual de Londrina >Centro de Ciências Exatas >Departamento de EstatÃstica > >Fone: (43) 3371-4346 > >______________________________________________ >R-help@r-project.org 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. ______________________________________________ R-help@r-project.org 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.