search for: tp25001293p25001293

...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.