oc (version 0.9)

sen90: 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.}

item

• codes
• n
• m
• legis.data
• icpsrState
• cd
• icpsrLegis
• party
• partyCode
• vote.data
• desc
• source

code

missing

itemize

• state

source

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

See Also

'oc'.

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)

    #Output file identical to one produced by command below
    #sen90oc <-oc(sen90,dims=2,polarity=c(7,2))
    data(sen90oc)
    summary(sen90oc)
    plot(sen90oc)