| presidents {stats} | R Documentation |
The (approximately) quarterly approval rating for the President of the United states from the first quarter of 1945 to the last quarter of 1974.
data(presidents)
A time series of 120 values.
The data are actually a fudged version of the approval ratings. See McNeil's book for details.
The Gallup Organisation.
McNeil, D. R. (1977) Interactive Data Analysis. New York: Wiley.
data(presidents)
plot(presidents, las = 1, ylab = "Approval rating (%)",
main = "presidents data")