[R] Plotting more than one series on the same graph

[Sundar Dorai-Raj]

mtb954 at gmail.com wrote:
> I'm new to R and have searched for help and consulted the the pdf
> manuals, but I can't seem to figure out how to plot more than one
> series on the same graph.
> 
> I've tried using multiple par(new=TRUE) statements such as
> 
> 
>>plot(series1, ci.type="line", col="red", lwd=2, ci.lty=0, ci.col="red")
>>par(new=TRUE)
>>plot(series2, ci.type="line", col="green", lwd=2, ci.lty=0, ci.col="green")
>>par(new=TRUE)
>>plot(series3, ci.type="line", col="blue", lwd=2, ci.lty=0, ci.col="blue")
> 
> 
> and this does plot the three series on one graph, but makes a mess of
> the y-axis.
> 
> There must be a more elegant solution.
> 
> Also, I wonder why the final series (series 3) doesn't plot until I
> manually hit <enter>?
> 
> Thanks for any help, Mark
> 

Hi, Mark,

In general, see ?lines. However, your use of "ci.type" suggests you're 
using ?plot.acf, which may require you describe what you are trying to 
do in more detail.

Thanks,

--sundar