[R] Variables and greek letters in a plot title

[S Ellison]

> 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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