[R-SIG-Finance] Using quantmod chartSeries for FRED data

Jeff Ryan jeff.a.ryan at gmail.com
Sun Nov 16 16:49:33 CET 2008

Hello all,

Sorry for the late reply.

The r-forge version of quantmod has this TA issue fixed now.  I should
have a new version ready prior to the beginning of December.


On Sat, Nov 15, 2008 at 5:39 PM, Brian Lee Yung Rowe <brian at muxspace.com> wrote:
> Hello,
> I am using quantmod to download FRED data and would like to view the series
> using the chartSeries function, but I am getting an error.
>> getSymbols('M1', src='FRED')
>> class(M1)
> [1] "xts" "zoo"
>> chartSeries(Delt(M1), type='line')
> Error in sum(poss.new) : invalid 'type' (list) of argument
>> chartSeries(Delt(M1))
> Error in sum(poss.new) : invalid 'type' (list) of argument
> Based on the documentation it seems that this data should be supported:
> "Courtesy of as.xts it can handle any object that is time-series like,
> meaning R objects of class xts, zoo, timeSeries, its, ts, irts, and more!"
> According to ?quantmod, I am using:
>        Version:   0.3-6
>        Revision:  433
>        Date:      2007-06-09
> Is this functionality supported or am I missing something?
> Thanks,
> Brian
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Jeffrey Ryan
jeffrey.ryan at insightalgo.com

ia: insight algorithmics

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