The suggestion to post on R-sig-ME was a good one.
The problem turned out to be a bug in lmer parsing, which is now fixed.
S Ellison writes:
> > Is there a difference between I(x*y) and I(y*x) ?
> > I have a call to lmer that results in this complaint:
> > Error in is.alpha2.subordinate * ~z
> Is there a difference between I(x*y) and I(y*x) ?
> I have a call to lmer that results in this complaint:
> Error in is.alpha2.subordinate * ~z.min.co.res :
A reproducible example would help ...
In the absence of that, check the classes of the two variables in I() and, if
you run the produc
If you don't get a prompt reply here, you might do better posting this
on the r-sig-mixed-models list (for obvious reasons).
Cheers,
Bert
Bert Gunter
"The trouble with having an open mind is that people keep coming along
and sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom
Is there a difference between I(x*y) and I(y*x) ?
I have a call to lmer that results in this complaint:
Error in is.alpha2.subordinate * ~z.min.co.res :
non-numeric argument to binary operator
when I change this line:
I(is.alpha2.subordinate*z.min.co.res)+
to this:
I(z.min.co.res*is.alph
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