[R] Newbie question re stddev, quantmod and performanceanalytics

[jim holtman]

try:

?sd

sd(retYHOO, na.rm=TRUE)

On Mon, Aug 17, 2009 at 1:43 AM, afx111<afx111 at yahoo.com> wrote:
>
> 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!
> --
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>
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-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem that you are trying to solve?