[R] Mixed effects model help

Fernando Henrique Ferraz P. da Rosa feferraz at ime.usp.br
Fri Dec 10 00:41:23 CET 2004

        This has come up less than a month ago:

crevell at rice.edu writes:
> I am attempting to set up a mixed effects model, with one factor fixed (put 
> in as.factor, with three factor levels) and one factor random(put in 
> as.factor, with four different batches) as well as the interactions.  I have 
> tried the lme function, but R continues to crash everytime I run it...
> My code is:
> model_lme(y~a,random=~b+a:b)
> Is this way off base?
> I just need to get F statistics to do hypothesis testing.
> Thanks,
> Chris
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Fernando Henrique Ferraz P. da Rosa

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