The (approximately) quarterly approval rating for the President of the
United States from the first quarter of 1945 to the last quarter of
1974.
Usage
presidents
Format
A time series of 120 values.
Details
The data are actually a fudged version of the approval ratings. See
McNeil's book for details.
Source
The Gallup Organisation.
References
McNeil, D. R. (1977)
Interactive Data Analysis.
New York: Wiley.
Examples
require(stats); require(graphics)
plot(presidents, las = 1, ylab = "Approval rating (%)",
main = "presidents data")
Results
R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)
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Type 'demo()' for some demos, 'help()' for on-line help, or
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> library(datasets)
> png(filename="/home/ddbj/snapshot/RGM3/R_rel/result/datasets/presidents.Rd_%03d_medium.png", width=480, height=480)
> ### Name: presidents
> ### Title: Quarterly Approval Ratings of US Presidents
> ### Aliases: presidents
> ### Keywords: datasets
>
> ### ** Examples
>
> require(stats); require(graphics)
> plot(presidents, las = 1, ylab = "Approval rating (%)",
+ main = "presidents data")
>
>
>
>
>
> dev.off()
null device
1
>