R Dataset / Package datasets / presidents
On this Picostat.com statistics page, you will find information about the presidents data set which pertains to Quarterly Approval Ratings of US Presidents. The presidents data set is found in the datasets R package. Try to load the presidents data set in R by issuing the following command at the console data("presidents"). This may load the data into a variable called presidents. If R says the presidents data set is not found, you can try installing the package by issuing this command install.packages("datasets") and then attempt to reload the data with library("datasets") followed by data("presidents"). Perhaps strangley, if R gives you no output after entering a command, it means the command succeeded. If it succeeded you can see the data by typing presidents at the command-line which should display the entire dataset.
If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the presidents R data set. The size of this file is about 1,220 bytes.
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.
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.
require(stats); require(graphics) plot(presidents, las = 1, ylab = "Approval rating (%)", main = "presidents data")
Dataset imported from https://www.r-project.org.
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