[R] Plotting 2 Lines on the Same Chart

[Gabor Grothendieck]

On Fri, Oct 29, 2010 at 1:41 PM, Jason Kwok <jaykwok at gmail.com> wrote:
> How do I plot two time series plots on the same chart?
>

Try this:

example(plot.ts)
example(ts.plot)

library(zoo)
example(plot.zoo)
library(lattice)
example(xyplot.zoo)

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