DATA FILES TO REPLICATE RESULTS IN SOCIAL NETWORKS ARTICLE A zipped copy of all files is available here. The judicial.csv file is an aggregate results file, including ranks of case authority and hub scores. It is comma delimited and here's a quick key: caseid unique numerical id given to each case usid US Reporter id (or numerical equivalent for early Reporters) parties parties to case overruled if case was overruled, the caseid of the overruling case is shown overruling if case overruled other case(s), the overruled caseids are shown oxford Does case appear on Oxford list of salient cases? liihc Does case appear on Legal Information Institute's list of important cases? indeg number of cases that cite this case (as of 2002) outdeg number of cases this case cites hub raw hub score (measures how well grounded the case is in the law) hubrank rank of hub score auth raw authority score authrank rank of authority score between betweeness measure incent eigenvector centrality measure

The allcites.txt file contains all citations. The first column indicates the caseid of the citing case and the second column indicates the caseid of the citedcase. The columns are space delimited. The next four files are all matrices of 30288 cases x 203 years (1800-2002). E.g. the element 5,10 is an observation for the case with caseid=5 in 1809. The indegmat.txt file identifies the inward citation count for each case in each year.

The outdegmat.txt file identifies the outward citation count for each case in each year. Notice that outward citations never change once a case comes into existence.

The authmat.txt file identifies the authority score for each case in each year.

The hubmat.txt file identifies the hub score for each case in each year. Notice that hub scores can change from year to year since the authority of cited precedents can change over time. DATA FILES TO REPLICATE RESULTS IN POLITICAL ANALYSIS ARTICLE There are two files. The Pol_Analysis_ussc_cites.csv.zip file contains a list of all 202,167 citations from USSC majority opinions (the citing case) to USSC majority opinions (the cited case). Lexis IDs are used, but can be converted to USIDs with the second file.

The Pol_Analysis_replication.zip file is a Stata file that contains a list of all 2,434,607 case-year observations and includes the following variables: name name of each case usid US Reporter id lexid Lexis id amiciz.num standardized number of amici briefs filed auth.num inward importance score hub.num outward importance score oxford.num does case appear in Oxford Guide's list of important cases? cq.num does case appear in Congressional Quarterly's list of important cases? nyt.num did case appear on front page of New York Times? insc.num number of cites from USSC to case in current year apin.num number of cites from Appeals Courts to case in current year stin.num number of cites from State Courts to case in current year citedyr.num year case was issued citingyr.num current year size.num number of cases in the network in the current year age age of case age.sq square of age of case insc.num.lag number of cites from USSC to case in previous year apin.num.lag number of cites from Appeals Courts to case in previous year stin.num.lag number of cites from State Courts to case in previous year poutevcent.num.lag percentile rank outward eigenvector centrality of case in previous year pinevcent.num.lag percentile rank inward eigenvector centrality of case in previous year phub.num.lag percentile rank outward importance score in previous year pauth.num.lag percentile rank inward importance score in previous year outsc.num.lag number of cites to other USSC majority opinions sc.cumul.cites.lag cumulative number of cites from USSC to case up to current year

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