Description Format Details Source Examples
Approval rating and election margin for recent presidential elections
A data frame with 11 observations on the following 5 variables.
Year
Certain election years from 1940-2004
Candidate
Incumbent US president
Approval
Presidential approval rating at time of election
Margin
margin of victory/defeat (as a percentage)
Result
Outcome of the election for the imbumbent: Lost
or Won
Data include US Presidential elections since 1940 in which an incumbent was running for president. The approval rating for the sitting president is comapred to the margin of victory/defeat in the election.
Silver, Nate, "Approval Ratings and Re-Election Odds", fivethirtyeight.com, posted January 28, 2011.
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