rollcall object, National Journal key votes of 2007
A rollcall object containing 99 rollcalls from the 2nd session of the 110th U.S. Senate, designated by National Journal as the "key votes" of 2007. These data were used to by National Journal to rate (then Senator) Barack Obama was the "most liberal senator" in 2007.
data(nj07)
A rollcall object containing the recorded votes,
plus information identifying the legislators and the
rollcalls.
Note the coding scheme used by Poole and Rosenthal; Yea (1,2,3), Nay (4,5,6) etc.
Keith Poole's web site: http://legacy.voteview.com/senate110.htm
Originally scraped from the Senate's web site by Jeff Lewis.
Josh Clinton compiled the list of National Journal key votes.
Clinton, Joshua and Simon Jackman. 2009. To Simulate or NOMINATE? Legislative Studies Quarterly. V34(4):593-621.
Jackman, Simon. 2009. Bayesian Analysis for the Social Sciences. Wiley: Hoboken, New Jersey. Example 9.2.
require(pscl) data(nj07) is(nj07,"rollcall") ## TRUE nj07 ## print method for class rollcall names(nj07) names(nj07$vote.data) table(nj07$vote.data$policyArea) summary(nj07) ## summary method summary(nj07,verbose=TRUE)
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