try:
?sd
sd(retYHOO, na.rm=TRUE)
On Mon, Aug 17, 2009 at 1:43 AM, afx111<afx...@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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> Sent from the R help mailing list archive at Nabble.com.
>
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>
--
Jim Holtman
Cincinnati, OH
+1 513 646 9390
What is the problem that you are trying to solve?
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