On Oct 6, 2010, at 5:09 AM, Michael Bedward wrote:
Hi Josh,
Try this...
mtext(expression(symbol("\255")), side=1, line=0, at=7)
For both Rowlingsons's and Bedward's solutions the request for "as
large as possible" can be addressed with cex = 5 or some more suitable
value.
--
David.
Michael
On 6 October 2010 11:45, Josh B <josh...@yahoo.com> wrote:
Hi all,
I am trying to do something simple, but which is deviling me. I
want to add an
up-arrow to the x-axis, pointing to a specific location on the
axis. I want the
arrow to be as large as possible.
Here is where I'm at with my code:
#this part if from the ?plot example:
require(stats)
plot(cars)
lines(lowess(cars))
#I am trying to use mtext to add the arrow... but I don't know how
to do it:
mtext("?", side = 1, line = 0, at = 7)
#that question mark is a place-holder for the arrow. How do I put
an up-arrow
there instead of the question mark -- as large as possible?
Many thanks to all of you in advance.
-----------------------------------
Josh Banta, Ph.D
Center for Genomics and Systems Biology
New York University
100 Washington Square East
New York, NY 10003
Tel: (212) 998-8465
http://plantevolutionaryecology.org
[[alternative HTML version deleted]]
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______________________________________________
R-help@r-project.org mailing list
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
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David Winsemius, MD
West Hartford, CT
______________________________________________
R-help@r-project.org mailing list
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
