On Sep 21, 2012, at 17:04 , li li wrote:
> Dear all,
> In my R plot, I would like to add the title as "Estimator vs. Eta",
> where I want to use the greek letter eta.
> I was trying to use expression(plain("Estimator vs.") *eta* ). It does not
> seem to work.
> Can anyone familiar with this give some help?
>
I'd try dropping the 2nd star. Remember that expressions must be valid R code.
You wouldn't be able to say
a <- plain("Estimator vs.") * eta *
either (not even if plain was an actual numeric function and eta a numeric
variable).
--
Peter Dalgaard, Professor,
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Email: pd....@cbs.dk Priv: pda...@gmail.com
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