On 25/08/2009, at 3:00 AM, Rick wrote:
First of all, thanks to everyone who answers these questions - it's
most helpful.
I'm new to R and despite searching have not found an example of what I
want to do (there are some good beginner's guides and a lot of complex
plots, but I haven't found this).
I would like to plot two variables against the same abscissa
values. They
have different scales. I've found how to make a second axis on the
right
for labeling, but not how to plot two lines at different scales.
(1) First of all ***DON'T*** do it! It's very bad graphical practice
and
will mislead the viewer with probability 1.
(2) If you bloody-mindedly ***insist*** on doing it, see:
http://wiki.r-project.org/rwiki/doku.php?id=tips:graphics-base:2yaxes
cheers,
Rolf Turner
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