pscl (version 1.5.5)

iraqVote: U.S. Senate vote on the use of force against Iraq, 2002.

Description

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.

Usage

data(iraqVote)

Format

A data frame with 100 observations on the following 6 variables.

y

a numeric vector, the recorded vote (1 if Aye, 0 if Nay)

state.abb

two letter abbreviation for each state

name

senator name, party and state, e.g., AKAKA (D HI)

rep

logical, TRUE for Republican senators

state.name

name of state

gorevote

numeric, the vote share recorded by Al Gore in the corresponding state in the 2000 Presidential election

Details

The only Republican to vote against the resolution was Lincoln Chafee (Rhode Island); Democrats split 29-22 in favor of the resolution.

References

Jackman, Simon. 2009. Bayesian Analysis for the Social Sciences. Wiley: Chichester. Example 8.3.

Examples

data(iraqVote)
## probit model
glm1 <- glm(y ~ gorevote + rep,
            data=iraqVote,
            family=binomial(link=probit))