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