Legislative Ideal Points Data

Contains the estimated ideal points of all legislators who served in the House of Representatives from the 80th (1947–1948) to the 112th (2011–2012) Congresses.

congress

Format

A data frame with 14552 rows and 7 variables:

congress

integer: congressional session number

district

integer: district number of the congressional representative

state

character: state of the congressional representative

party

character: party of the congressional representative

name

character: name of the congressional representative

dwnom1

numeric: DW-NOMINATE score (first dimension)

dwnom2

numeric: DW-NOMINATE score (second dimension)

Details

See QSS Table 3.3.

References

• Imai, Kosuke. 2017. Quantitative Social Science: An Introduction. Princeton University Press. URL.

• Nolan McCarty, Keith T. Poole, and Howard Rosenthal (2006) Polarized America: The Dance of Ideology and Unequal Riches. MIT Press. doi: 10.1017/S1537592707071873