FAQ #3 in
library(zoo)
vignette("zoo-faq")
shows how as does one of the examples in ?plot.zoo
Also look at twoord.plot in the plotrix package.
On Thu, Aug 14, 2008 at 6:46 AM, Yogesh Tiwari
<yogesh.mpi at googlemail.com> wrote:> Hello R Users,
> I am using R on Windows,
> I am ploting CO2 (350,380) variying with year(1993,2003)
> I want to over-plot rainfall (10,250) varying with year(1993,2003) on
axis-4
>
> axis-1=year(1993,2003),
> axis-2=CO2(350,380)
> axis-3=None
> axis-4=rainfall(10,250)
> Kindly help how to over-plot another variable on axis-4.
>
> Many thanks,
>
> Regards,
> Yogesh
>
> [[alternative HTML version deleted]]
>
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