yahoo.get.hist.quote: Download stock data from Yahoo!

In jverzani/UsingR: Data Sets, Etc. for the Text "Using R for Introductory Statistics", Second Edition

Description

Downloads stock data from Yahoo!

Usage

yahoo.get.hist.quote(instrument = "^gspc", 
destfile = paste(instrument, ".csv", sep = ""), 
start, end, quote = c("Open", "High", "Low", "Close"), 
adjusted = TRUE, download = TRUE, 
origin = "1970-01-01", compression = "d")

Arguments

instrument	Ticker symbol as character string.
destfile	Temporary file for storage
start	Date to start. Specified as "2005-12-31"
end	Date to end
quote	Any/All of "Open", "High", "Low", "Close"
adjusted	Adjust for stock splits, dividends. Defaults to TRUE
download	Download the data
origin	Dates are recorded in the number of days since the origin. A value of "1970-01-01" is the default. This was changed from "1899-12-30".
compression	Passed to yahoo

Details

Goes to chart.yahoo.com and downloads the stock data. By default returns a multiple time series of class mts with missing days padded by NAs.

Value

A multiple time series with time measureing the number of days since the value specified to origin.

Author(s)

Daniel Herlemont <[e-mail]>

References

This function was found on the mailling list for R-SIG finance

See Also

yahoo.get.hist.quote in the tseries package

jverzani/UsingR documentation built on Aug. 3, 2020, 11:57 a.m.