Welcome To the Voteview Website
Updated 11 September 2015
This site was originally established at the Graduate School of Industrial Administration,
Carnegie-Mellon University in August of 1995. The orginal web-server was a 100 mhz
machine running WINDOWS NT 3.51. The original link was:
In 2000 the web-server was moved to the Department of Political Science at the University
of Houston with the link:
In 2005 the web-server was moved to the Department of Political Science at the University
of California, San Diego with the current link (voteview.com).
This website is now affiliated with the Department of Political Science at the University
of Georgia. It is maintained off campus solely for stability purposes.
The primary purpose of this website is to make available the data that Howard Rosenthal
and Keith Poole generated out of their many research projects. Keith and Howard adhere
to the policy that all of their datasets and software are made freely available to
anyone who asks for them. This webserver was established for this purpose. If you
cannot find what you need on the various pages send Keith an E-Mail at: firstname.lastname@example.org
Recently Updated Data Pages
DW-NOMINATE Scores 1st to 113th Congresses
(10 March 2015)DW-NOMINATE Roll Call Coordinates and Issue Codes for Houses 1 to 113
(24 January 2015)DW-NOMINATE Roll Call Coordinates and Issue Codes for Senates 1 to 113
(24 January 2015)Party Unity Scores by Democrat and Republican Members: 1857 - 2012
(8 February 2013)Party Unity Scores by Congress: 1879 - 2012
(8 February 2013)Percent Voting on the Winning Side by Member -- Houses/Senates 1 - 112
(8 February 2013)Party and Chamber Medians, 1 - 112 Congresses (DW-NOMINATE Scores)
(8 February 2013)Chamber Means and Winning Policy Means for 1st Dimension, 1 - 112 Congresses (DW-NOMINATE Scores)
(8 February 2013)Cutting Line Angle Files for the House and Senate 1st to 112th Congresses
(7 February 2013)Republican and Democratic Party Splits on all roll calls cast in Congresses 35 - 112
(7 February 2013)Rank Orderings all Houses and Senates -- 1st to 112th Congresses
(6 February 2013)Common Space DW-NOMINATE Scores 1st to 112th Congresses
(6 February 2013)DW-NOMINATE Probabilities for Legislator Choices: 1st to 112th Congresses
(6 February 2013)One-Congress-at-a-Time DW-NOMINATE (Nokken-Poole) data for the House and Senate 1st to 112th Congresses
(6 February 2013)Political Polarization Measures: 1879 - 2014
(18 January 2013)Optimal Classification in R Program with Examples
(1 January 2013)WNOMINATE in R Program with Examples
(15 December 2010)R Package for Aldrich-McKelvey and Basic Space Scaling
(20 May 2010)
Recent Papers"The Polarization of Contemporary American Politics"
(with Christopher Hare, September 2013)"Why Hasn't Democracy Slowed Rising Inequality?"
(with Adam Bonica, Nolan McCarty, and Howard Rosenthal, August 2013)"The Structure of Utility in Spatial Models of Voting"
(with Royce Carroll, Jeffrey B. Lewis, James Lo, and Howard Rosenthal, December 2012)"Bayesian Aldrich-McKelvey Scaling"
(with Dave Armstrong, Ryan Bakker, Royce Carroll, and Christopher Hare, October 2012)"Bayesian Metric Multidimensional Scaling"
(with Ryan Bakker, October 2012)"NOMINATE and American Political History: A Primer."
by Phil Everson (Swarthmore), Rick Valelly (Swarthmore), and Jim Wiseman (Agnes Smith)"A Spatial Model for Legislative Roll Call Analysis."
GSIA Working Paper 5-83-84, September 1983 (With Howard Rosenthal). (This is the
1983 original -- our first paper on NOMINATE. For historical purposes only. Please
note the discussion on pages 14 and 15.)The Unidimensional Congress, 1919-84.
GSIA Working Paper 44-84-85 (With Howard Rosenthal) (This is the 1985 original --
For historical purposes only.)
Picture of the Day
Zoom Zoom Loves Rugs
NOMINATE Data, Roll Call Data, and Software
Course Web Pages: University of Georgia (2010 - )
Course Web Pages: UC San Diego (2004 - 2010)
University of San Diego Law School (2005)
Course Web Pages: University of Houston (2000 - 2005)
Course Web Pages: Carnegie-Mellon University (1997 - 2000)
Analyzing Spatial Models of Choice and Judgment with R
Spatial Models of Parliamentary Voting
Recent Working Papers
Analyses of Recent Politics
About This Website
K7MOA Log Books: 1960 - 2015
Bio of Keith T. Poole