[R-SIG-Finance] ChartSeries - Quantmod

[Jeffrey Ryan]

Take a look at add_TA with a logical time series (xts preferred). The TRUE
values/ranges will define the periods that get colored in.  You will
likely need to also utilize the on= argument to properly draw on the pane
you are intending - e.g. To shade the background of the main series use
on=-1 (that is a minus one).

HTH
Jeff

On 5/7/12 6:36 AM, "golam sakline" <golam.sakline at gmail.com> wrote:

>Hi,
>
>Is there a way to have a different colour background for a predefined
>period within the ChartSeries theme? I and trying to grey out the period
>that corresponds to recession in the US when looking at a US stock in
>ChartSeries
>
>Thanks
>
>Golam
>
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>
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