[R] concatenating expressions and standard text

Kristel Joossens kristel.joossens at econ.kuleuven.be
Wed Dec 14 16:05:44 CET 2005

Can you give an example of the expression you would like to have on you 
horizontal axis?

Simple expressions like  ex1 <- expression(1+ 0:9) seem to work well.


manuel.martin wrote:
> Hi all,
> is it possible to concatenate expressions and basic text when for 
> instance labeling axis of a plot? I would like to see something like the 
> concatenation of expression(C[0]) and "for case 1" on my x axis.
> Obviously a plot(x, y, xlab=paste(expression(C[0])," in case1")) will 
> not work.
> Thank you in advance,
> Manuel Martin
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Kristel Joossens        Ph.D. Student
Research Center ORSTAT  K.U. Leuven
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E-mail:  Kristel.Joossens at econ.kuleuven.be

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