[R] Unable to Scale/Display properly in plotting a xts/timeseries graph in a single plot

[Joshua Ulrich]

On Tue, Apr 7, 2015 at 11:30 AM, Raghuraman Ramachandran
<optionsraghu at gmail.com> wrote:
> Dear guRus
>
> I have xts data as:
> str(volsA)
> An ‘xts’ object on 2014-05-13/2015-04-07 containing:
>   Data: num [1:221, 1:2] 18.8 18.5 18.4 22.2 22 ...
>  - attr(*, "dimnames")=List of 2
>   ..$ : NULL
>   ..$ : chr [1:2] "vol1" "vol2"
>   Indexed by objects of class: [Date] TZ: UTC
>   xts Attributes:
> List of 1
>  $ na.action:Class 'omit'  atomic [1:20] 1 2 3 4 5 6 7 8 9 10 ...
>   .. ..- attr(*, "index")= num [1:20] 1.4e+09 1.4e+09 1.4e+09 1.4e+09
> 1.4e+09 ...
>>
> I am trying t0 plot them in a single frame but the scaling does not
> happen properly.
>
> plot(vols,plot.type="s",format="auto")
> lines(vols[,2],col="red")
>
> The lower graph in red gets displayed as a truncated graph and does
> not fully exhibit the relationship. Can someone kindly help in
> scaling/display please?
>
What's the output of sessionInfo() from your R session?

> Thanks
> Raghu
>
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