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Modern Database Legacy Database Previous Versions Instructions Supplementary Materials Code Repository
Supplementary Materials
The Supreme Court Database is used in a number of different ways. Some users of the Supreme Court Database create extensions to the data, tethering against the SCDB ID. The Primary Investigators sometimes prepare research reports using the data. This section of the website contains contributed, complementary data sets that can be used to extend the scope of the foundational data and reports that rely on these data.

If you have questions or comments about the available code please email the author. If you have code you would like to contribute please contact us.
  1. Segal-Cover and Martin-Quinn Scores
  2. Date Added : December 05, 2012
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    Many studies of voting by Supreme Court justices use measures of ideology. This dataset contains the ideology and qualifications scores developed by Segal and Cover (APSR, 1989) and the ideology scores developed by Martin and Quinn (PA, 2002) along with justice identifiers to easily merge the scores onto the Justice Centered Data. Please consult the documentation for details.
    Author : Andrew Martin / email
    File(s) : SegalCoverMartinQuinn_Scores_120512.zip
    SegalCoverMartinQuinn_mergeMeasures_120512.do
    SegalCoverMartinQuinn_Codebook_120512.pdf
    Reference : permalink
  3. The Voting Behavior of Clarence Thomas
  4. Date Added : October 22, 2011
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    This analysis of the voting behavior of Justice Thomas was prepared at the request of the New York Times to statistically summarize his first twenty years of service on the bench. The report was referenced in the October 22, 2011 article, Clarence Thomas's Brand of Judicial Logic. The zip archive that follows the report contains materials to replicate all of the analyses in the report.
    Author : Lee Epstein & Andrew Martin / email
    File(s) : cThomas_102211.pdf
    nytReplicate.zip
    Reference : permalink
  5. Salience Measures
  6. Last Modified : April 11, 2011
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    There are two commonly used measures of the salience of Supreme Court cases: those that appear on the front page of the New York Times (Epstein and Segal, AJPS, 2000) and those that are listed as landmark cases by Congressional Quarterly. This dataset contains these two measures.
    Author : Andrew Martin / email
    File(s) : SalienceMeasure_Data_041111.zip
    SalienceMeasure_mergeSalience_031411.do
    SalienceMeasure_Codebook_031411.pdf
    Reference : permalink
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Modern Database Legacy Database Previous Versions Instructions Supplementary Materials Code Repository
image The Supreme Court Database has been generously supported by the National Science Foundation. Creative Commons License

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