[R] Combining greek letters with the contents of variables

[Uwe Ligges]

I feel this becomes a frequently asked question, hence I tried Google 
and typed "R main expression greek" --- and got an answer:
https://stat.ethz.ch/pipermail/r-help/2006-July/109934.html

Uwe Ligges




Ingeborg Schmidt wrote:
> Dear r-help list,
> I am trying to combine a greek letter lambda with the contents of a variable v in the title of a plot. However, it seems that having v inside the expression() function causes it not to be evaluated, on the other hand having expression(lambda) inside something else like paste causes it to be evaluated to a string. Here is an example of what I want to do:
> title(main=expression("Value of "*Lambda*paste(" = ",v,sep="")))
> Is there any solution for this?
> 
> Cheers,
> Ingeborg Schmidt
> 
> 
> 
>       
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