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List:       r-sig-finance
Subject:    Re: [R-SIG-Finance] Order a XTS object by value
From:       Jeff Ryan <jeff.a.ryan () gmail ! com>
Date:       2009-11-17 15:06:09
Message-ID: e8e755250911170706u73fef1a7y956de2054a318330 () mail ! gmail ! com
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Marco,

xts, like zoo, only represents 'ordered' time series, so the answer is
no. If an xts object could be unordered the rest of the assumptions
made internally and externally for the class would be invalid.

You will need to use as.matrix() or coredata() to allow for re-ordering.

Best,
Jeff

On Tue, Nov 17, 2009 at 5:55 AM, Zanella Marco <marco.zanella@inbox.com> wrote:
> Sirs,
> a simple question about how I can order an XTS object by time series value (return, \
> in my case). Can I do it only via a previous transformation to a matrix object and \
> consequent ordering with classic order() command? 
> Many thanks.
> 
> Marco
> 
> PS: for the record I'm trying to run a time window analysis (es top 10 MAX \
> returns,etc...) of funds time series. 
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-- 
Jeffrey Ryan
jeffrey.ryan@insightalgo.com

ia: insight algorithmics
www.insightalgo.com

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