[R] ggplot2 - two or more axis
dhajage.r at gmail.com
Sat Nov 15 14:03:14 CET 2008
Thank you very much for the answer.
I have seen very often the number of subject at risk on survival graph (see
my pdf file). It is very easy to plot the curve with geom_step(), but is
there a better way to show the number of subjects at risk at each time ?
Thank you for your advice.
2008/11/14 hadley wickham <h.wickham at gmail.com>
> 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
> > same graph. For example :
> > - I want to show two informations at each x coordinate : a survival
> > I want to show the time (0, 12 and 24 months) and the number of subject
> > 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.
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