Please do read the help page (and state your platform). This is s
known PDF viewer bug. E.g.:
If you see problems with PDF output, do remember that the problem
is much more likely to be in your viewer than in R. Try another
viewer if possible. Symptoms for which the viewer has been at
fault are apparent grids on image plots (turn off graphics
anti-aliasing in your viewer if you) and missing or incorrect
glyphs in text (viewers silently doing font substitution).
See also the section on 'Cairo fonts' in ?X11, which has a diagnosis
and workaround.
On Thu, 27 Jan 2011, Eduardo de Oliveira Horta wrote:
Hi there,
yet on the topic of greek letters and pdf plotting: when I run the
following code
pdf(file="temp.pdf")
mu=seq(from=-pi, to=pi, length=100)
plot(mu, sin(mu^2),
type="l",
xlab=expression(mu%in%(list(-pi,pi))),
ylab=expression(sin(mu^2)),
main=expression((list(mu,sin(mu^2)))))
dev.off()
I get a "proportional to" symbol in place of a "mu" and a "not equal
to" in place of a "pi" (see attached file). If I run only
mu=seq(from=-pi, to=pi, length=100)
plot(mu, sin(mu^2),
type="l",
xlab=expression(mu%in%(list(-pi,pi))),
ylab=expression(sin(mu^2)),
main=expression((list(mu,sin(mu^2)))))
then the characters are displayed correctly.
I would like to know if there is any sort of fixes to this problem,
such as specifying the symbols font or embedding fonts into the pdf
file. Any help would be welcome.
Thanks in advance and best regards,
Eduardo Horta
--
Brian D. Ripley, rip...@stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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