this works for me: plot(1,main="\u2113")
cheers Am 24.10.2013 01:39, schrieb Byron Dom: > > > Original post: On 13/10/2013 18:53, Byron Dom wrote: > >>> Due to convention a script "l" - $$\ell$$ (LaTeX \ell) is used to >>> represent a certain quantity in something I'm working on. I'm >>> unable to figure out how to use it in R. It's not included in the >>> list on ?plotmath. >>> >>> Can anyone tell me how to use it? Its unicode is U+2113. This >>> page has a list of various encodings of it: >>> > http://www.fileformat.info/info/unicode/char/2113/encoding.htm. >>> Is there a way to include it by using one of these encodings somehow? > > ------------------------------------------------- > > On 13/10/2013 22:06 Prof Brian Ripley responded: > >> What do you want to do with it? plotmath is about plotting, but you >> have not otherwise mentioned that, let alone the device on which you >> want to plot. >> >> Read the help for plotmath: on some plot devices, just use "\u2113". It >> is not AFAICS in the Adobe symbol encoding. >> >> -- >> Brian D. Ripley, ripley at 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 > > ------------------------------------------------- > > My response: > > Thanks I worked out how to do it based on your mention of "u2113". > See below. > > I'm sorry if my information wasn't complete enough. I assumed that > what I said, combined with the subject ("How can I use a script "l" > (LaTeX \ell) in > mathematical annotation of plots?") would have been > enough. > > I just wanted to be able to do this on the default device, which > displays plots within the R session window. I have a simple path > to go from there to .png form, which I include in LaTeX documents > and for other purposes. I am using R version 3.0.1 in Windows 7, > for which I believe the default plot device is "windows". > > An example of the kind of thing I wanted to do is to include > "ylab = expression(hat(gamma))" (which is equivalent to the LaTex > "\hat{\gamma}}") among the base-graphics plot() arguments. That > works. In LaTeX a script "l" is produced with "\ell", but > something like "ylab = expression(ell)" doesn't work in R. > I wanted to be able to do the equivalent of that, but to obtain "ℓ". > > Here are a couple of examples using it that worked: > > plot(1:10,xlab="\u2113") > > > plot(1:10,xlab="\u2113(\u2113 + 1)") > The only (slight) problem with this is the minor aesthetic issue > > that the "ℓ" one gets this way is in an obviously different font > > from what one gets using the LaTeX "\lambda" command/symbol. > > Strangely, earlier, when I tried > > plot(1:10,xlab=expression(symbol("\u2113"))) > it did the same thing as > > plot(1:10,xlab=expression(lambda)) > So I got a lower-case greek lambda - "λ", rather than "ℓ" > (script "l"). > > When I used the unicode representation for lowercase > lambda - "λ" - as follows > > > plot(1:10,xlab=expression(symbol("\u03bb"))) > I got this for an x-axis label: "<Y+03BB>". On the other hand, > the following did work > > plot(1:10,xlab="\u03bb"), > giving me an x-axis label of lambda - "λ". > [[alternative HTML version deleted]] > > > > ______________________________________________ > 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. > -- Eik Vettorazzi Department of Medical Biometry and Epidemiology University Medical Center Hamburg-Eppendorf Martinistr. 52 20246 Hamburg T ++49/40/7410-58243 F ++49/40/7410-57790 -- Besuchen Sie uns auf: www.uke.de _____________________________________________________________________ Universitätsklinikum Hamburg-Eppendorf; Körperschaft des öffentlichen Rechts; Gerichtsstand: Hamburg Vorstandsmitglieder: Prof. Dr. Martin Zeitz (Vorsitzender), Prof. Dr. Dr. Uwe Koch-Gromus, Joachim Prölß, Rainer Schoppik _____________________________________________________________________ SAVE PAPER - THINK BEFORE PRINTING ______________________________________________ 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.