Thanks a lot. Both

plot(1:10)
conc=5
title(main=bquote(.(conc)~mu*"g/ml substance"))

and

plot(0,0)
conc <- 5
title(main=bquote(.(conc)*" "*mu*g/ml*" substance"))

do exactly what I need.


On Thu, Aug 16, 2012 at 1:33 PM, peter dalgaard <pdalgd@gmail.com> wrote:

>
> 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@cbs.dk  Priv: PDalgd@gmail.com
>
>


-- 
Dominik Refardt
Theoretical Biology
Institute of Integrative Biology, ETH Zürich
ETH Zentrum, CHN J11
Universitätsstrasse 16
CH-8092 Zürich
Switzerland

Phone: +41446327102
Fax: +41446321271
Email: dominik.refardt@gmail.com

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