Hi all!

I have a split plot analysis in which the model parameters are:



Efficacy = y

Rep = block

Product and rateind = main plot

Variety = subplot

I can do the split plot analysis with:

summary(model1<-aov(efficacy~rep+product*rateind*variety+Error(rep:product:rate),
 data=ht28))


How do I multiple comparison tests of the main plot factor, subplot factor and 
interaction? I cannot see how to do this  using TukeyHSD and use the correct 
error term.

Thanks

Regards

Jo

Joanne Stringer
Senior Biometrician
BSES Limited
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Street Address: 50 Meiers Road
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Email: jstrin...@bses.org.au<blocked::mailto:jstrin...@bses.org.au>
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