This dataframe contains a matrix of votes cast by U.S. Senators
in the 111th Congress. The data are formatted consistent with the
rollcall object format in Simon Jackman's pscl package.
data(sen111)The dataframe contains roll call data for all Senators in the 111th Senate.
The data is formatted as a rollcall object with the following elements.
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.
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.
numeric, number of legislators
numeric, number of roll calls
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.
null, would otherwise be a data frame containing data on the votes.
null, would otherwise be a string describing the data set.
string, describing where data set was read from.
Carroll, Royce, Jeffrey B. Lewis, James Lo, Keith T. Poole and Howard Rosenthal. 2013. ``The Structure of Utility in Spatial Models of Voting.'' American Journal of Political Science 57(4): 1008--1028.
'summary.anominate','anominate','densplot.anominate','traceplot.anominate','plot.anominate.