BDA.loader prepares a data frame to be used
by the BDA function.
Usage
BDA.loader(symbol, frequency = "monthly", xbench = NA, type = "log", ...)
Arguments
symbol
stock ticker on Yahoo Finance,
enter as character.
frequency
the frequency used to calculate returns
("daily", "monthly", or "yearly")
xbench
ticker symbol of an external benchmark,
NA by default.
type
type of returns to be calculated ("log"
or "arithmetic"). By default, log returns are used.
...
aditional commands passed to the getSymbols
function.
Value
a xts-matrix containing the returns of the security,
Kenneth French's asset pricing factors and the external
benchmark (optional).
Details
BDA.loader pulls stock price data from Yahoo Finance,
calculates returns on these prices, downloads factor data from
Kenneth French's library (via Quandl.com) and bundles all
data in a xts-matrix that can be passed on to the BDA
function.