[R] Newbie question re stddev, quantmod and performanceanalytics

[John Kane]

What package or library are you using?

What is YHOO.Close ?  

Try  str(retYHOO) to see what it looks like. 



--- On Mon, 8/17/09, afx111 <afx111 at yahoo.com> wrote:

> From: afx111 <afx111 at yahoo.com>
> Subject: [R]  Newbie question re stddev, quantmod and performanceanalytics
> To: r-help at r-project.org
> Received: Monday, August 17, 2009, 1:43 AM
> 
> Hi,
> 
> I am trying to calculate the std dev of returns of YHOO so
> far i got:
> 
> getSymbols("YHOO")
> retYHOO <- Return.calculate(Cl(YHOO))
> > sd(retYHOO)
> 
> YHOO.Close 
>         NA 
> 
> but i received an NA....can any assist? tks!
> -- 
> View this message in context: http://www.nabble.com/Newbie-question-re-stddev%2C-quantmod-and-performanceanalytics-tp25001293p25001293.html
> Sent from the R help mailing list archive at Nabble.com.
> 
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> 


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