Imports briefings from chart.yahoo.com.
yahooBriefing(query, file = "tempfile", source = NULL, save = FALSE, try = TRUE)
a character string with filename, usually having extension ".csv", where to save the downloaded data.
a character string, denoting the location of the data at the web site.
a logical value, if set to TRUE the downloaded data file will
be stored under the path and file name specified by the
string file
. By default FALSE.
a character string setting the URL of the source.
If NULL
, then the URL will be set automatically to its
default value.
a logical value, if set to TRUE the Internet access will be checked.
returns a data frame with briefings downloaded from yahoo's web site.
Diethelm Wuertz, Yohan Chalabi, and Andrew Ellis, (2010); Financial Market Data for R/Rmetrics, Rmetrics eBook, Rmetrics Association and Finance Online, Zurich, www.rmetrics.org.