| SP500 {MASS} | R Documentation |
Returns of the Standard and Poors 500 Index in the 1990's
data(SP500)
A vector of returns of the Standard and Poors 500 index for all the trading days in 1990, 1991, ..., 1999.
Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.