| Issues1980 {basicspace} | R Documentation |
Issue scales from the 1980 National Election Study. The numbers 0, 8, and 9 are considered to be missing values, except for the two abortion scales, where '7' is also a missing value. Hence, it must be recoded as in the example shown below before scaling. The data is used as an example for blackbox().
data(LC1980)
The data is formatted as an numeric matrix with the following elements.
Issues |
matrix, containing reported self-placements along various stimuli on a
7 point Liberal-Conservative scales (with the exception of abortion scales, which
are 4 point):
|
Keith Poole kpoole@ucsd.edu
Howard Rosenthal rosentha@princeton.edu
Jeffrey Lewis jblewis@ucla.edu
James Lo jameslo@ucla.edu
Royce Carroll rcarroll@rice.edu
American national Election Study. http://www.electionstudies.org/
Also availble from Keith Poole. http://voteview.edu/
' 'blackbox', 'summary.blackbox'.
### Loads issue scales from the 1980 NES. data(Issues1980) Issues1980[Issues1980[,"abortion1"]==7,"abortion1"] <- 8 #missing recode Issues1980[Issues1980[,"abortion2"]==7,"abortion2"] <- 8 #missing recode result <- blackbox(Issues1980,missing=c(0,8,9),verbose=FALSE,dims=3,minscale=8) summary(result)