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Variables and greek letters in a plot title
7 messages · Miguel Manese, S Ellison, Peter Dalgaard +2 more
Hi Dominik, You can try x <- 5 plot(rnorm(50), main=bquote(.(x) * mu * g/m^3 * " substance")) Regards, - Jon On Thu, Aug 16, 2012 at 3:37 PM, Dominik Refardt
<dominik.refardt at gmail.com> wrote:
Hello
This is a problem I encountered repeatedly and I found no answer that made
me really happy. I hope it is not too trivial.
I would like to give the concentration of a substance in a plot title:
5 ug/ml substance
the '5' would be a variable and the ug should be micrograms (with greek
letter mu). It is the mu that causes the problems for me. I failed using
various combinations of paste, expression and bquote. I would be very
grateful if someone could help me (or point me to the solution, which I
might have overlooked).
Thank you very much
Dominik
--
Dominik Refardt
Institute of Integrative Biology, ETH Z?rich
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______________________________________________ R-help at 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.
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I would like to give the concentration of a substance in a plot title: 5 ug/ml substance
Examples of including a variable in text are given in the ?plotmath page, under " ## How to combine "math" and numeric variables".
For your case,
plot(1:10)
conc=5
title(main=bquote(.(conc)~mu*"g/ml substance"))
works.
S
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On Aug 16, 2012, at 09:37 , Dominik Refardt wrote:
Hello This is a problem I encountered repeatedly and I found no answer that made me really happy. I hope it is not too trivial. I would like to give the concentration of a substance in a plot title: 5 ug/ml substance the '5' would be a variable and the ug should be micrograms (with greek letter mu). It is the mu that causes the problems for me. I failed using various combinations of paste, expression and bquote. I would be very grateful if someone could help me (or point me to the solution, which I might have overlooked).
Like this? plot(0,0) conc <- 5 title(main=bquote(.(conc)*" "*mu*g/ml*" substance"))
Peter Dalgaard, Professor Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 Frederiksberg, Denmark Phone: (+45)38153501 Email: pd.mes at cbs.dk Priv: PDalgd at gmail.com
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plot(rnorm(50), main=bquote(.(x)*" "* mu * g/m^3 * " substance")) John Kane Kingston ON Canada
-----Original Message----- From: dominik.refardt at gmail.com Sent: Thu, 16 Aug 2012 12:50:57 +0200 To: jjonphl at gmail.com Subject: Re: [R] Variables and greek letters in a plot title Thanks a lot. However it's not completely what I want. There is space missing between the variable and the mu. Can this be added? On Thu, Aug 16, 2012 at 12:09 PM, Miguel Manese <jjonphl at gmail.com> wrote:
Hi Dominik, You can try x <- 5 plot(rnorm(50), main=bquote(.(x) * mu * g/m^3 * " substance")) Regards, - Jon On Thu, Aug 16, 2012 at 3:37 PM, Dominik Refardt <dominik.refardt at gmail.com> wrote:
Hello This is a problem I encountered repeatedly and I found no answer that
made
me really happy. I hope it is not too trivial.
I would like to give the concentration of a substance in a plot title:
5 ug/ml substance
the '5' would be a variable and the ug should be micrograms (with greek
letter mu). It is the mu that causes the problems for me. I failed
using
various combinations of paste, expression and bquote. I would be very
grateful if someone could help me (or point me to the solution, which I
might have overlooked).
Thank you very much
Dominik
--
Dominik Refardt
Institute of Integrative Biology, ETH Z|rich
[[alternative HTML version deleted]]
______________________________________________ R-help at 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.
-- Dominik Refardt Theoretical Biology Institute of Integrative Biology, ETH Z|rich ETH Zentrum, CHN J11 Universitdtsstrasse 16 CH-8092 Z|rich Switzerland Phone: +41446327102 Fax: +41446321271 Email: dominik.refardt at gmail.com [[alternative HTML version deleted]]
______________________________________________ R-help at 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.
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