pub fn sp500() -> Result<DataFrame, PolarsError>Expand description
§Returns of the Standard and Poors 500
§Description:
Returns of the Standard and Poors 500 Index in the 1990’s
§Usage:
SP500
§Format:
A vector of returns of the Standard and Poors 500 index for all the trading days in 1990, 1991, …, 1999.
§References:
Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.