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DW-NOMINATE Choice Probabilities
Updated 16 June 2010
Below are files containing the choice probabilities for the Senate and House for Congresses
1 to 111 (through 2009). The format of the files is:
1. Congress Number
2. ICPSR ID Number: 5 digit code assigned by the ICPSR as
corrected by Howard Rosenthal and myself.
3. State Code: 2 digit ICPSR State Code.
4. Congressional District Number (0 if Senate)
5. State Name
6. Party Code: 100 = Dem., 200 = Repub. (See PARTY3.DAT)
7. Name
8. Roll Call Number
9. Actual Choice: 1=Yea, 6=Nay
10. Predicted Choice: 1=Yea, 6=Nay
11. Probability of Actual Choice
12. Probability of Opposite Choice (1 - #11)
Actual and Predicted Choices DW-NOMINATE Scaling of Senates 1 - 111 (2009):
Senate Choices:
SENATE_1_111_CHOICES.DAT
(2,981,963 Records, 230Meg)
Actual and Predicted Choices DW-NOMINATE Scaling of Houses 1 - 111 (2009):
House Choices:
HOUSE_1_111_CHOICES.DAT
(12,716,322 Records, 979Meg)
Actual and Predicted Choices DW-NOMINATE Joint Scaling of Houses and Senates 1 - 111 (2009):
House and Senate Choices:
HANDS_1_111_CHOICES.DAT
(15,698,688 Records, 1,209Meg)
NOMINATE Data, Roll Call Data, and Software
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