[R] put a label on right y axis?

[Jerome Asselin]

See ?mtext

On July 30, 2003 10:24 am, Jorge A Ahumada wrote:
> If you have a graph with two y-axes like:
>
> plot(...) #1st graph
> par(new=T)
> plot(.....,axes=F,xlab="",ylab="") #plot second
> axis(4) # put axes on the right side
>
> How do you put a ylab to that second axis?
>
> Thanks,
>
> Jorge
>
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