On October 11, 2002, the United States Senate voted 77-23 to authorize the use of military force against Iraq. This data set lists the “Ayes” and “Nays” for each Senator and some covariates.
A data frame with 100 observations on the following 6 variables.
a numeric vector, the recorded vote (1 if Aye, 0 if Nay)
two letter abbreviation for each state
senator name, party and state, e.g.,
AKAKA (D HI)
TRUE for Republican senators
name of state
numeric, the vote share recorded by Al Gore in the corresponding state in the 2000 Presidential election
The only Republican to vote against the resolution was Lincoln Chafee (Rhode Island); Democrats split 29-22 in favor of the resolution.
Keith Poole, 107th Senate Roll Call Data. https://voteview.com/static/data/out/votes/S107_votes.ord The Iraq vote is vote number 617.
David Leip's Atlas of U.S. Presidential Elections. http://uselectionatlas.org
Jackman, Simon. 2009. Bayesian Analysis for the Social Sciences. Wiley: Chichester. Example 8.3.
data(iraqVote) ## probit model glm1 <- glm(y ~ gorevote + rep, data=iraqVote, family=binomial(link=probit))