R help - Nov 2008 - ggplot2 - two or more axis

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Hi David,
> I'm trying to learn how to make a plot with the amazing package
ggplot2.
>
> I was wondering if it was possible to draw 2 (or more) x (or y) axis in the
> same graph. For example :
>  - I want to show two informations at each x coordinate : a survival curve,
> I want to show the time (0, 12 and 24 months) and the number of subject at
> risk at each time.
>  - I want to draw two curves that don't have the same unit
Unfortunately, the capability is currently unavailable in ggplot2 and
is unlikely to ever be available because I believe it is a
fundamentally inaccurate means of presenting data.  However, in the
next version it will be much easier to created faceted displays with
varying scales, which should be a better solution for many of these
types of problems.

Regards,

Hadley

-- 
http://had.co.nz/