sen90 {wnominate}R Documentation

90th U.S. Senate Roll Call Vote Matrix

Description

This dataframe contains a matrix of votes cast by U.S. Senators in the 90th Congress. The data are formatted consistent with the rollcall object format in Simon Jackman's pscl package.

Usage

data(sen90)

Value

The dataframe contains roll call data for all Senators in the 90th Senate. The data is formatted as a rollcall object with the following elements.

votes data frame, containing all data from the old nom31.dat file about legislators. For a typical W-NOMINATE object run with an ORD file read using readKH, it will contain the following:
    state
    State name of legislator.
    icpsrState
    ICPSR state code of legislator.
    cd
    Congressional District number.
    icpsrLegis
    ICPSR code of legislator.
    party
    Party of legislator.
    partyCode
    ICPSR party code of legislator.
codes list of four vectors. yea shows the codes in votes that are yea votes, 'nay' shows nay codes, notInLegis shows absences, and missing shows the missing codes.
n numeric, number of legislators
m numeric, number of roll calls
legis.data data frame, containing the following information on legislators:
    state
    State name of legislator.
    icpsrState
    ICPSR state code of legislator.
    cd
    Congressional District number.
    icpsrLegis
    ICPSR code of legislator.
    party
    Party of legislator.
    partyCode
    ICPSR party code of legislator.
vote.data null, would otherwise be a data frame containing data on the votes.
desc null, would otherwise be a string describing the data set.
source string, describing where data set was read from.

Author(s)

Keith Poole kpoole@ucsd.edu

Jeffrey Lewis jblewis@ucla.edu

James Lo jameslo@ucla.edu

Royce Carroll rcarroll@ucsd.edu

Source

Keith Poole. 2005. 90th Senate Roll Call Vote Data. http://www.voteview.com/.

See Also

'wnominate'.

Examples

    #This data file is the same as reading file using:
    #sen90 <- readKH("ftp://voteview.com/sen90kh.ord")
    #All ORD files can be found on www.voteview.com
    data(sen90)
    
    summary(sen90)
    result<-wnominate(sen90,polarity=c(2,5))
    summary(result)
    plot(result)

[Package wnominate version 0.94 Index]