search for: yahooqf

I am using the getQuote function in the Quantmod package to retrieve the % change for a stock as follows: > getQuote("aapl",what=yahooQF(c("Change Percent (Real-time)"))) Trade Time %Change (RT) aapl 2012-10-11 03:41:00 N/A - -1.67% How can I extract the numeric "change %" which is being returned as a factor so that I can use it in other calculations? Thanks.

Hi R, I am familiar with the basics of R. To learn more I would like how to get data from Yahoo!finance directly into R. So basically I want a data frame or matrix to do some data analysis. How do I do this? Thank you very much. Thomas -- View this message in context: http://www.nabble.com/yahoo-finance-into-R-tp19385481p19385481.html Sent from the R help mailing list archive at Nabble.com.

...timeSteps=150, gridPoints=149, engine="CrankNicolson")$delta } # set what symbol you want vol surface for underlying <- 'GOOG' # set what your volatility forcast or assumption is volforcast <- .25 # Get symbols current price underlying.price <- getQuote(underlying,what=yahooQF("Last Trade (Price Only)"))$Last OC <- getOptionChain(underlying, NULL) #check data head(OC) lputs <- lapply(OC, FUN = function(x) x$puts[grep("[A-Z]\\d{6}[CP]\\d{8}$", rownames(x$puts)), ]) head(lputs) #check for NA values, yahoo returns all NA values sometimes puts <...