[R] plotting several datasets with different scales into same plot

Gabor Grothendieck ggrothendieck at gmail.com
Sat Dec 6 22:09:26 CET 2008

This is a commonly asked question and you can likely find many
examples in the r-help archives.

twoord in the plotrix package can do it.  Also see example section of:
?plot.zoo in the zoo package looking at the example beginning:
## plot with left and right axes

On Sat, Dec 6, 2008 at 3:54 PM, Georg Ehret <georgehret at gmail.com> wrote:
> Dear Miss R,
>    I wish to plot three datasets on completely different scales into one
> single plot. Until now I use a complicated procedure, converting the data of
> the second and third set into coordinates of the first plot and then adding
> an extra axis. Is there a way to do this more simply...?
> Thanking you and wishing you all an excellent Sunday!
> Cheers, Georg.
> *************************
> Georg Ehret
> Geneva University Hospital
> Switzerland
>        [[alternative HTML version deleted]]
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> and provide commented, minimal, self-contained, reproducible code.

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