sp500_1950_2018 {openintro} | R Documentation |
Data runs from 1950 to near the end of 2018.
sp500_1950_2018
A data frame with 17346 observations on the following 7 variables.
Date of the form "YYYY-MM-DD"
.
Opening price.
Highest price of the day.
Lowest price of the day.
Closing price of the day.
Adjusted price at close after accounting for dividends paid out.
Trading volume.
Yahoo! Finance
data(sp500_1950_2018)
sp500.ten.years <- subset(
sp500_1950_2018,
"2009-01-01" <= as.Date(Date) & as.Date(Date) <= "2018-12-31"
)
d <- diff(sp500.ten.years$Adj.Close)
mean(d > 0)