[R] linear-by-linear association model in R?

[Vito Muggeo (UniPa)]

dear Christofer,

Try the following

d<-expand.grid(a=1:3,b=1:4)
d$freq<-rpois(12,5)
o<-glm(freq~factor(a)+factor(b)+I(a*b), family=poisson, data=d)

vito


Il 02/04/2012 9.34, Christofer Bogaso ha scritto:
> Dear all, can somebody give me some pointer how I can fit a
> "linear-by-linear association model" (i.e. loglinear model for the
> ordinal variables) in R? A brief description can be found here
> 'https://onlinecourses.science.psu.edu/stat504/node/141'.
>
> Thanks for your help
>
> ______________________________________________
> R-help at 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.
>

-- 
====================================
Vito M.R. Muggeo
Dip.to Sc Statist e Matem `Vianelli'
Università di Palermo
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90128 Palermo - ITALY
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http://dssm.unipa.it/vmuggeo