take a look at
library(zoo)
example(plot.zoo)
which shows one way to do this,
Best,
Michael
On Wed, Jun 27, 2012 at 6:50 PM, denissearchundia
<denissearchundia at yahoo.com.mx> wrote:> hi
>
> i try to do a graph who shows 2 time series at the same time
>
> thanks!
>
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