voting | R Documentation |
House of Representatives Voting Data
Description
Voting results for 15 congressmen from New Jersey.
Usage
data("voting")
Format
A 15 times 15 matrix.
Details
Romesburg (1984) gives a set of data that shows the number of times 15 congressmen from New Jersey voted differently in the House of Representatives on 19 environmental bills. Abstentions are not recorded.
Source
H. C. Romesburg (1984), Cluster Analysis for Researchers. Lifetime Learning Publications, Belmont, Canada.
Examples
data("voting", package = "HSAUR")
require("MASS")
voting_mds <- isoMDS(voting)
plot(voting_mds$points[,1], voting_mds$points[,2],
type = "n", xlab = "Coordinate 1", ylab = "Coordinate 2",
xlim = range(voting_mds$points[,1])*1.2)
text(voting_mds$points[,1], voting_mds$points[,2],
labels = colnames(voting))
voting_sh <- Shepard(voting[lower.tri(voting)], voting_mds$points)