Constructing Ideological Maps
Driving Distances Between Cities
MDS Map From Driving Distances
Agreement Scores Between Members of Congress: 90th
(1967-68) Senate
Agreement Scores Between Members of Congress: 108th
(2003-04) Senate
Multidimensional Scaling (MDS) Map From 90th
(1967-68) Senate Agreement Scores
Driving Distances as an Unfolding Problem
MDS Map From an Unfolding Analysis of Driving Distances
Roll Call Voting as an Unfolding Problem
The NOMINATE model of Roll Call Voting
Spatial (Geometric) Map From 90th Senate
Unfolding of Roll Call Votes
Roll Call Voting in the Supreme Court
The 88th (1963-64) U. S. Senate:
Final Passage of the 1964 Civil Rights Act
The 108th (2003-04) U.S. Senate: Procedural Motion
The 108th Senate: Estrada Cloture Motion
The 108th Senate: Late Term (Partial Birth) Abortion
The 108th Senate: State Fiscal Relief
The 109th (2005-06) U.S. Senate