[R] Greek letters on title

[Uwe Ligges]

On 20.11.2012 21:47, bgnumis wrote:
> Hi all,
>
> I want to plot a series "x" and I want to put on title "Time evolution with
> alpha=0.2", e.g.,
>
> plot(x, main="Time evotion with alpha=0.2",col="orange")
>
> Is there any posibility to put the greek letter and avoid  written the word?


Yes, see ?plotmath

plot(x, main=expression("Time evotion with " * alpha==0.2), col="orange")


Uwe Ligges


> Many thanks in advance.
>
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