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foerster
2000 Feb 10
2
random effects in analysis of variance
I have a data.frame paint (below-mentioned). In SPlus I used the command
raov( MOISTURE ~ BATCH / PROBE )
(you could do raov( MOISTURE ~ BATCH + PROBE%in%BATCH) as well)
so that the factors are taken as random. In R this function raov doesn't
exist. How can I calculate the same? Maybe with lme, but how?
str(paint)
----------
`data.frame': 60 obs. of 5 variables:
$ BATCH : Factor
2001 Jul 06
9
a < b < c is alway TRUE
One of our students did something like:
x[a < b < c]
instead of
x[a < b & b < c]
But why is
3 < 2 < 1 # [1] TRUE ???
Is there any reason?
Or wouldn't it be better to get a warning / error?
Uwe Ligges
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