Re: [R] Newbie question re stddev, quantmod and performanceanalytics

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 wrote: > From: afx111 > Subject: [R] Newbie question re stddev, quantmod and performanceanalytics > To: r-help@r-project.org > Received: Mo

Re: [R] Newbie question re stddev, quantmod and performanceanalytics

try: ?sd sd(retYHOO, na.rm=TRUE) On Mon, Aug 17, 2009 at 1:43 AM, afx111 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 NAc

Re: [R] Newbie question re stddev, quantmod and performanceanalytics

On Sun, 16 Aug 2009 22:43:14 -0700 (PDT) afx111 wrote: A> getSymbols("YHOO") A> retYHOO <- Return.calculate(Cl(YHOO)) A> > sd(retYHOO) A> A> YHOO.Close A> NA A> A> but i received an NAcan any assist? tks! You receive NA because getSymbols went wrong, so YHOO was empty. Try getSym

[R] Newbie question re stddev, quantmod and performanceanalytics

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 NAcan any assist? tks! -- View this message in context: http://www.nabble.com/Newbie-question-re-stdd