Not sure which ones work in R, but I recently needed injection, surjection,and bijection arrows, and found them here : http://unicode.org/charts/#symbols
HTH, David L. Reiner, PhD Head Quant XR Trading LLC -----Original Message----- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of David Winsemius Sent: Wednesday, October 06, 2010 9:05 AM To: Josh B Cc: R Help Subject: Re: [R] Pointing to a specific place on the x-axis with an arrow On Oct 6, 2010, at 9:03 AM, Josh B wrote: > Dear Michael, > > Thanks very much. I have a follow-up question: how did you know that > symbol 255 > is the up-arrow? ?plomath # includes reference to : http://www.stat.auckland.ac.nz/~paul/R/CM/AdobeSym.html > > Josh > ________________________________ > From: Michael Bedward <michael.bedw...@gmail.com> > > Cc: R Help <r-help@r-project.org> > Sent: Wed, October 6, 2010 5:09:48 AM > Subject: Re: [R] Pointing to a specific place on the x-axis with an > arrow > > Hi Josh, > > Try this... > > mtext(expression(symbol("\255")), side=1, line=0, at=7) > > Michael > > > >> 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 ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. This e-mail and any materials attached hereto, including, without limitation, all content hereof and thereof (collectively, "XR Content") are confidential and proprietary to XR Trading, LLC ("XR") and/or its affiliates, and are protected by intellectual property laws. Without the prior written consent of XR, the XR Content may not (i) be disclosed to any third party or (ii) be reproduced or otherwise used by anyone other than current employees of XR or its affiliates, on behalf of XR or its affiliates. THE XR CONTENT IS PROVIDED AS IS, WITHOUT REPRESENTATIONS OR WARRANTIES OF ANY KIND. TO THE MAXIMUM EXTENT PERMISSIBLE UNDER APPLICABLE LAW, XR HEREBY DISCLAIMS ANY AND ALL WARRANTIES, EXPRESS AND IMPLIED, RELATING TO THE XR CONTENT, AND NEITHER XR NOR ANY OF ITS AFFILIATES SHALL IN ANY EVENT BE LIABLE FOR ANY DAMAGES OF ANY NATURE WHATSOEVER, INCLUDING, BUT NOT LIMITED TO, DIRECT, INDIRECT, CONSEQUENTIAL, SPECIAL AND PUNITIVE DAMAGES, LOSS OF PROFITS AND TRADING LOSSES, RESULTING FROM ANY PERSON'S USE OR RELIANCE UPON, OR INABILITY TO USE, ANY XR CONTENT, EVEN IF XR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGES OR IF SUCH DAMAGES WERE FORESEEABLE. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
