[R] Simple Question

[Scott D. Pletcher]

Hi All,
I am sure there is an obvious answer for this, but I can seem to find it
in the docs.

I  have a very simple data set with two random effects nested in a
single fixed effect.  I would like to estimate the variance components
for the random effects and the p-value for the fixed effect using ML or
REML.  I usually use the function varcomp in S-plus, but it doesn't
exist in R.  Moreover I tried to use nlme, but despite staring at the
help files for a long time I can't seem to get it working.   

Can anyone point me in the right direction on this?


Thanks in advance,
Scott
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