[R-sig-ME] Repeated measures in lmer().
Rolf Turner
r.turner at auckland.ac.nz
Thu Apr 2 04:26:50 CEST 2009
On 2/04/2009, at 3:20 PM, Steven McKinney wrote:
> Hi Rolf
>
> E <- rnorm(4*NCHILD,0,0)
>
> Is this correct? Did you mean to have variance = 0?
Yes. The E is just window dressing; it doesn't do anything.
I just put it there to emphasize that measurement error *could*
be there, but I really want to assume it away/absorb it into
the ``child effect'' (since it can't be distinguished from being
part of the child effect without replication).
I *thought* I had put a comment to this effect into my code; guess
it got deleted in the editing process.
Sorry for the confusion.
cheers,
Rolf
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