LC1980: 1980 Liberal-Conservative Scales.
In basicspace: Recovering a Basic Space from Issue Scales

Description Usage Value Author(s) Source See Also Examples

Liberal-Conservative 7-point scales from the 1980 National Election Study. Includes (in order) self-placement, and rankings of Carter, Reagan, Kennedy, Anderson, Republican party, Democratic Party. Stored as a matrix of integers. The numbers 0, 8, and 9 are considered to be missing values.

1	data(LC1980)

The data is formatted as an integer matrix with the following elements.

LC1980

matrix, containing reported placements of various stimuli on a 7 point Liberal-Conservative scale:

Self Self-placement on 7 point scale.
Carter Placement of Carter on 7 point scale.
Reagan Placement of Reagan on 7 point scale.
Kennedy Placement of Kennedy on 7 point scale.
Anderson Placement of Anderson on 7 point scale.
Republicans Placement of Republicans on 7 point scale.
Democrats Placement of Democrats on 7 point scale.

Keith Poole ktpoole@uga.edu

Howard Rosenthal hr31@nyu.edu

Jeffrey Lewis jblewis@ucla.edu

James Lo lojames@usc.edu

Royce Carroll rcarroll@rice.edu

American national Election Study. http://www.electionstudies.org/

Also availble from Keith Poole. http://voteview.com

'aldmck', 'summary.aldmck', 'plot.aldmck', 'plot.cdf'.

### Loads and scales the Liberal-Conservative scales from the 1980 NES.
data(LC1980)
result <- aldmck(data=LC1980, polarity=2, respondent=1, missing=c(0,8,9),verbose=TRUE)
summary(result)
par(ask=TRUE)
plot.AM(result,xlim=c(-1.5,1.5))
plot.cdf(result)