On Dec 12, 2008, at 10:59 PM, js.augus...@gmail.com wrote:
Hi all,
I'm quite new to R and have a very basic question regarding how one
gets
the standard error of the mean for factor levels under aov. I was
able to
get the factor level means using:
summary(print(model.tables(rawfixtimedata.aov,"means"),digits=3)),
where rawfixtimedata.aov is my aov model. It doesn't appear that
there is
an equivalent function to get the standard errors for the factor
levels.
I searched through the help archives and documentation but could not
find
anything that would help resolve my problem. I'm sure there is a
trivial
solution, but I would sincerely appreciate having someone more expert
dispel my ignorance.
Have you looked at the help page for model.tables? ... and perhaps ?
se.contrast
There are arguments to that function that result in standard errors
for _effects_. If standard errors on the contrasts are not what you
wanted, then perhaps a full example would help.
--
David Winsemius
Cheers,
Jason Augustyn
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