Measuring Bias and Uncertainty in DW-NOMINATE Ideal Point Estimates via the Parametric Bootstrap
- 1 January 2009
- journal article
- Published by Cambridge University Press (CUP) in Political Analysis
- Vol. 17 (3), 261-275
- https://doi.org/10.1093/pan/mpp005
Abstract
DW-NOMINATE scores for the U.S. Congress are widely used measures of legislators' ideological locations over time. These scores have been used in a large number of studies in political science and closely related fields. In this paper, we extend the work of Lewis and Poole (2004) on the parametric bootstrap to DW-NOMINATE and obtain standard errors for the legislator ideal points. These standard errors are in the range of 1%–4% of the range of DW-NOMINATE coordinates.This publication has 9 references indexed in Scilit:
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