[R] put a label on right y axis?

[Spencer Graves]

Both of the following work for me:

plot(1:2)
axis(4)
mtext("right y axis", side=4, line=-1.5)

par(mar=c(5,4,4,5)+.1)
plot(1:2)
axis(4)
mtext("right y axis", side=4, line=3)

hope this helps.  spencer graves

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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