[R] axes label

[Peter Ehlers]

On 2011-08-01 03:32, ogbos okike wrote:
> Dear All,
> I am trying to put 10^-8 st km^-2day^-1 on x-axis of my plot. I tried using
> : ylab = expression(paste("st / ", plain(km)^2, " / day")) to see if I can
> at least get the unit before thinking about the power of 10  (10^-8).
>
> However, ylab = expression(paste("st / ", plain(km)^2, " / day")) didn't
> give the result I expected. The power 2 in km was missing.

Works for me. But I don't see the need for paste() or plain().
Try this:

   plot(0, ylab="", xlab="")
   title(ylab = expression(10^{-8} ~ "st" ~ "km"^{-2} ~ "day"^{-1}))

Replace any '~' with '*' if you don't want the space.

Peter Ehlers

 >
>
> I will be glad for any help on how to label 10^-8 st km^-2day^-1 on the
> axis.
> Many thanks
> Regards
> Ogbos
>
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