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primaryobjects/stevens.R

Created May 4, 2016 18:31
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Predicting Supreme Court decisions for Justice Stevens using CART trees and random forests with cross validation.
Raw
stevens.csv
Docket Term Circuit Issue Petitioner Respondent LowerCourt Unconst Reverse
93-1408 1994 2nd EconomicActivity BUSINESS BUSINESS liberal 0 1
93-1577 1994 9th EconomicActivity BUSINESS BUSINESS liberal 0 1
93-1612 1994 5th EconomicActivity BUSINESS BUSINESS liberal 0 1
94-623 1994 1st EconomicActivity BUSINESS BUSINESS conser 0 1
94-1175 1995 7th JudicialPower BUSINESS BUSINESS conser 0 1
95-129 1995 9th EconomicActivity BUSINESS BUSINESS conser 1 0
95-728 1996 FED EconomicActivity BUSINESS BUSINESS conser 0 1
96-1768 1997 9th EconomicActivity BUSINESS BUSINESS conser 1 1
96-843 1997 DC EconomicActivity BUSINESS BUSINESS conser 0 1
98-1480 1999 11th CriminalProcedure BUSINESS BUSINESS conser 0 1
99-150 1999 2nd EconomicActivity BUSINESS BUSINESS conser 0 1
99-1571 2000 6th EconomicActivity BUSINESS BUSINESS conser 1 1
99-2035 2000 9th DueProcess BUSINESS BUSINESS liberal 1 1
94-788 1994 7th EconomicActivity CITY BUSINESS liberal 0 0
98-1161 1999 3rd FederalismAndInterstateRelations CITY BUSINESS liberal 0 0
96-491 1996 9th EconomicActivity EMPLOYEE BUSINESS conser 0 1
97-1943 1998 10th CivilRights EMPLOYEE BUSINESS conser 0 1
98-208 1998 DC EconomicActivity EMPLOYEE BUSINESS conser 0 1
00-1853 2001 2nd CivilRights EMPLOYEE BUSINESS conser 0 1
95-1872 1996 8th CivilRights AMERICAN.INDIAN BUSINESS conser 0 0
97-1704 1998 5th JudicialPower INJURED.PERSON BUSINESS liberal 1 0
97-53 1998 6th JudicialPower INJURED.PERSON BUSINESS conser 0 1
98-1811 1999 DC FederalismAndInterstateRelations INJURED.PERSON BUSINESS liberal 0 1
99-161 1999 8th JudicialPower INJURED.PERSON BUSINESS conser 1 0
94-1244 1995 9th JudicialPower GOVERNMENT.OFFICIAL BUSINESS conser 0 0
95-244 1995 9th JudicialPower GOVERNMENT.OFFICIAL BUSINESS liberal 0 0
97-930 1998 10th FirstAmendment GOVERNMENT.OFFICIAL BUSINESS liberal 0 0
00-152 2000 9th JudicialPower GOVERNMENT.OFFICIAL BUSINESS liberal 0 1
99-1792 2000 8th EconomicActivity GOVERNMENT.OFFICIAL BUSINESS conser 0 1
93-1251 1994 6th JudicialPower OTHER BUSINESS liberal 0 1
93-1318 1994 9th FederalTaxation OTHER BUSINESS liberal 0 1
93-1631 1994 10th FirstAmendment OTHER BUSINESS liberal 0 0
93-1677 1994 8th EconomicActivity OTHER BUSINESS conser 0 1
94-18 1994 7th EconomicActivity OTHER BUSINESS conser 0 1
94-1592 1995 7th Unions OTHER BUSINESS conser 0 0
94-1654 1995 10th EconomicActivity OTHER BUSINESS liberal 0 0
95-26 1995 FED EconomicActivity OTHER BUSINESS conser 1 0
95-83 1995 9th JudicialPower OTHER BUSINESS liberal 0 1
95-860 1995 9th EconomicActivity OTHER BUSINESS conser 0 0
95-1065 1996 2nd FirstAmendment OTHER BUSINESS liberal 1 0
95-1184 1996 9th FirstAmendment OTHER BUSINESS liberal 0 1
95-1521 1996 DC JudicialPower OTHER BUSINESS liberal 0 1
95-1764 1996 9th EconomicActivity OTHER BUSINESS conser 0 1
95-1873 1996 11th DueProcess OTHER BUSINESS conser 1 0
95-789 1996 9th JudicialPower OTHER BUSINESS conser 0 1
96-511 1996 3rd FirstAmendment OTHER BUSINESS liberal 0 0
96-1470 1997 9th EconomicActivity OTHER BUSINESS conser 0 1
96-1578 1997 5th JudicialPower OTHER BUSINESS conser 0 1
96-1971 1997 5th CriminalProcedure OTHER BUSINESS liberal 1 1
96-871 1997 7th EconomicActivity OTHER BUSINESS conser 0 1
97-5310 1997 11th EconomicActivity OTHER BUSINESS conser 0 0
97-704 1997 DC JudicialPower OTHER BUSINESS conser 0 0
97-1130 1998 FED EconomicActivity OTHER BUSINESS liberal 0 0
97-1536 1998 9th CivilRights OTHER BUSINESS liberal 0 1
97-1642 1998 9th EconomicActivity OTHER BUSINESS liberal 0 1
98-470 1998 5th JudicialPower OTHER BUSINESS conser 0 1
98-531 1998 FED EconomicActivity OTHER BUSINESS liberal 1 0
98-1109 1999 7th JudicialPower OTHER BUSINESS liberal 0 0
98-1152 1999 4th EconomicActivity OTHER BUSINESS conser 0 1
99-579 1999 7th EconomicActivity OTHER BUSINESS conser 0 1
00-276 2000 6th EconomicActivity OTHER BUSINESS liberal 0 0
00-347 2000 10th EconomicActivity OTHER BUSINESS liberal 0 0
99-1257 2000 DC EconomicActivity OTHER BUSINESS conser 0 1
99-1551 2000 4th JudicialPower OTHER BUSINESS conser 0 1
99-1815 2000 6th JudicialPower OTHER BUSINESS conser 0 1
99-1871 2000 9th Privacy OTHER BUSINESS conser 0 0
99-901 2000 6th JudicialPower OTHER BUSINESS conser 0 1
00-1307 2001 4th CivilRights OTHER BUSINESS conser 0 1
00-927 2001 5th Unions OTHER BUSINESS conser 0 1
95-1918 1996 8th JudicialPower STATE BUSINESS liberal 0 1
93-723 1994 9th JudicialPower US BUSINESS liberal 0 0
94-251 1994 9th FederalismAndInterstateRelations US BUSINESS liberal 0 1
94-1893 1995 4th FirstAmendment US BUSINESS liberal 0 1
95-865 1995 FED JudicialPower US BUSINESS liberal 0 0
97-454 1997 6th EconomicActivity US BUSINESS conser 0 1
97-2044 1998 FED FederalismAndInterstateRelations US BUSINESS liberal 0 1
98-131 1998 DC EconomicActivity US BUSINESS conser 0 0
98-1682 1999 3rd EconomicActivity US BUSINESS liberal 0 0
00-151 2000 9th CriminalProcedure US BUSINESS liberal 0 1
99-1434 2000 FED FederalismAndInterstateRelations US BUSINESS liberal 0 0
95-191 1995 7th FirstAmendment BUSINESS CITY conser 1 1
99-1680 2000 FED FirstAmendment BUSINESS CITY conser 1 0
00-1249 2001 7th FirstAmendment BUSINESS CITY conser 1 0
95-897 1996 8th Unions EMPLOYEE CITY conser 0 0
96-957 1997 11th DueProcess INJURED.PERSON CITY conser 0 1
97-501 1997 7th CriminalProcedure INJURED.PERSON CITY conser 1 0
94-1988 1996 1st FederalismAndInterstateRelations OTHER CITY conser 1 1
99-936 2000 4th CriminalProcedure OTHER CITY conser 1 1
94-1614 1995 2nd JudicialPower STATE CITY liberal 0 1
00-860 2001 2nd JudicialPower BUSINESS CRIMINAL.DEFENDENT liberal 0 0
97-1121 1998 7th DueProcess CITY CRIMINAL.DEFENDENT liberal 0 0
96-318 1996 6th EconomicActivity EMPLOYEE CRIMINAL.DEFENDENT liberal 0 0
95-1352 1996 9th DueProcess GOVERNMENT.OFFICIAL CRIMINAL.DEFENDENT liberal 0 1
93-1462 1994 9th CriminalProcedure OTHER CRIMINAL.DEFENDENT liberal 0 0
94-790 1994 3rd CriminalProcedure OTHER CRIMINAL.DEFENDENT liberal 0 0
96-1693 1997 8th CriminalProcedure OTHER CRIMINAL.DEFENDENT liberal 0 0
96-1769 1997 6th DueProcess OTHER CRIMINAL.DEFENDENT conser 0 0
97-634 1997 3rd DueProcess OTHER CRIMINAL.DEFENDENT liberal 1 0
00-853 2001 2nd DueProcess OTHER CRIMINAL.DEFENDENT liberal 0 1
93-1660 1994 9th CriminalProcedure STATE CRIMINAL.DEFENDENT liberal 0 0
93-1911 1994 9th DueProcess STATE CRIMINAL.DEFENDENT liberal 0 0
94-1511 1995 9th JudicialPower STATE CRIMINAL.DEFENDENT liberal 0 0
95-566 1995 9th DueProcess STATE CRIMINAL.DEFENDENT liberal 0 0
95-1268 1996 4th CriminalProcedure STATE CRIMINAL.DEFENDENT liberal 0 0
95-891 1996 6th CriminalProcedure STATE CRIMINAL.DEFENDENT liberal 0 0
97-215 1997 9th JudicialPower STATE CRIMINAL.DEFENDENT liberal 0 0
97-300 1997 9th CriminalProcedure STATE CRIMINAL.DEFENDENT liberal 0 0
97-391 1997 9th DueProcess STATE CRIMINAL.DEFENDENT liberal 1 1
97-1147 1998 8th CriminalProcedure STATE CRIMINAL.DEFENDENT liberal 0 0
97-2048 1998 7th JudicialPower STATE CRIMINAL.DEFENDENT liberal 0 0
98-184 1998 10th CriminalProcedure STATE CRIMINAL.DEFENDENT liberal 1 0
98-223 1998 11th CriminalProcedure STATE CRIMINAL.DEFENDENT liberal 0 0
98-1036 1999 7th CriminalProcedure STATE CRIMINAL.DEFENDENT liberal 0 0
98-1037 1999 9th DueProcess STATE CRIMINAL.DEFENDENT liberal 0 0
98-1170 1999 2nd CriminalProcedure STATE CRIMINAL.DEFENDENT liberal 0 1
98-1299 1999 2nd CriminalProcedure STATE CRIMINAL.DEFENDENT liberal 0 1
98-1441 1999 9th CriminalProcedure STATE CRIMINAL.DEFENDENT liberal 0 0
98-1993 1999 11th CriminalProcedure STATE CRIMINAL.DEFENDENT liberal 0 0
98-2060 1999 6th CivilRights STATE CRIMINAL.DEFENDENT liberal 0 0
99--224 1999 7th JudicialPower STATE CRIMINAL.DEFENDENT liberal 0 0
99-137 1999 11th FirstAmendment STATE CRIMINAL.DEFENDENT liberal 0 0
00-121 2000 2nd JudicialPower STATE CRIMINAL.DEFENDENT liberal 0 1
00-391 2000 11th CriminalProcedure STATE CRIMINAL.DEFENDENT conser 0 1
00-492 2000 11th JudicialPower STATE CRIMINAL.DEFENDENT liberal 0 0
99-1132 2000 7th CriminalProcedure STATE CRIMINAL.DEFENDENT liberal 0 0
99-1238 2000 2nd CriminalProcedure STATE CRIMINAL.DEFENDENT liberal 0 0
99-1613 2000 9th DueProcess STATE CRIMINAL.DEFENDENT liberal 0 1
99-1702 2000 5th CivilRights STATE CRIMINAL.DEFENDENT liberal 0 0
99-1884 2000 3rd JudicialPower STATE CRIMINAL.DEFENDENT liberal 0 0
93-1340 1994 9th CriminalProcedure US CRIMINAL.DEFENDENT liberal 0 0
93-981 1994 9th CriminalProcedure US CRIMINAL.DEFENDENT liberal 0 1
94-514 1994 9th CriminalProcedure US CRIMINAL.DEFENDENT liberal 0 0
95-157 1995 9th JudicialPower US CRIMINAL.DEFENDENT liberal 0 0
95-345 1995 6th CriminalProcedure US CRIMINAL.DEFENDENT liberal 0 0
95-1228 1996 8th CriminalProcedure US CRIMINAL.DEFENDENT liberal 0 0
95-1605 1996 10th CriminalProcedure US CRIMINAL.DEFENDENT liberal 0 0
95-1726 1996 1st CriminalProcedure US CRIMINAL.DEFENDENT liberal 0 0
96-667 1996 9th CriminalProcedure US CRIMINAL.DEFENDENT liberal 0 1
96-1469 1997 9th CriminalProcedure US CRIMINAL.DEFENDENT liberal 0 1
96-1487 1997 9th CriminalProcedure US CRIMINAL.DEFENDENT liberal 0 0
97-643 1997 8th JudicialPower US CRIMINAL.DEFENDENT liberal 0 0
97-1139 1998 3rd JudicialPower US CRIMINAL.DEFENDENT conser 0 0
98-1255 1999 9th CriminalProcedure US CRIMINAL.DEFENDENT liberal 0 1
98-1696 1999 6th CriminalProcedure US CRIMINAL.DEFENDENT liberal 0 1
99-166 1999 DC CriminalProcedure US CRIMINAL.DEFENDENT liberal 0 0
00-1519 2001 9th CriminalProcedure US CRIMINAL.DEFENDENT liberal 0 1
00-973 2001 9th CriminalProcedure US CRIMINAL.DEFENDENT liberal 0 0
94-325 1994 2nd EconomicActivity BUSINESS EMPLOYEE liberal 0 0
95-6 1995 7th EconomicActivity BUSINESS EMPLOYEE liberal 0 1
95-1340 1996 9th EconomicActivity BUSINESS EMPLOYEE liberal 0 1
96-272 1996 9th EconomicActivity BUSINESS EMPLOYEE liberal 0 0
96-320 1996 2nd EconomicActivity BUSINESS EMPLOYEE liberal 0 0
97-1868 1998 9th EconomicActivity BUSINESS EMPLOYEE liberal 0 0
97-2000 1998 3rd JudicialPower BUSINESS EMPLOYEE liberal 0 0
00-1089 2001 6th CivilRights BUSINESS EMPLOYEE liberal 0 1
99-1786 2001 9th JudicialPower BUSINESS EMPLOYEE conser 0 1
93-2068 1994 DC CriminalProcedure CRIMINAL.DEFENDENT EMPLOYEE conser 0 1
94-820 1994 9th JudicialPower EMPLOYER EMPLOYEE liberal 0 0
94-834 1994 3rd FederalismAndInterstateRelations EMPLOYER EMPLOYEE conser 0 0
94-1453 1995 4th EconomicActivity EMPLOYER EMPLOYEE liberal 0 0
94-1471 1995 8th EconomicActivity EMPLOYER EMPLOYEE liberal 0 0
95-809 1995 9th EconomicActivity EMPLOYER EMPLOYEE liberal 0 1
95-1621 1996 9th JudicialPower EMPLOYER EMPLOYEE liberal 0 0
96-188 1997 11th JudicialPower EMPLOYER EMPLOYEE conser 0 1
97-569 1997 7th CivilRights EMPLOYER EMPLOYEE liberal 0 0
98-591 1998 9th CivilRights EMPLOYER EMPLOYEE liberal 0 0
99-1379 2000 9th Unions EMPLOYER EMPLOYEE liberal 0 0
94-167 1994 4th EconomicActivity INJURED.PERSON EMPLOYEE conser 0 1
95-266 1995 7th JudicialPower INJURED.PERSON EMPLOYEE liberal 0 0
96-1395 1997 FED DueProcess OTHER EMPLOYEE liberal 0 1
97-428 1997 DC Unions OTHER EMPLOYEE conser 0 1
98-238 1998 7th CivilRights OTHER EMPLOYEE conser 0 1
00-549 2000 2nd EconomicActivity OTHER EMPLOYEE conser 0 0
00-758 2001 FED DueProcess OTHER EMPLOYEE liberal 0 1
96-651 1996 3rd Unions STATE EMPLOYEE liberal 0 1
93-1543 1994 6th CivilRights EMPLOYEE EMPLOYER conser 0 1
95-354 1995 4th CivilRights EMPLOYEE EMPLOYER conser 0 1
95-388 1995 DC Unions EMPLOYEE EMPLOYER conser 0 1
95-1376 1996 4th CivilRights EMPLOYEE EMPLOYER conser 0 1
95-259 1996 7th CivilRights EMPLOYEE EMPLOYER conser 0 1
96-1291 1997 5th Unions EMPLOYEE EMPLOYER conser 0 1
96-568 1997 5th CivilRights EMPLOYEE EMPLOYER conser 0 1
97-282 1997 11th CivilRights EMPLOYEE EMPLOYER conser 0 1
97-689 1997 8th EconomicActivity EMPLOYEE EMPLOYER conser 0 1
97-1472 1998 11th JudicialPower EMPLOYEE EMPLOYER conser 0 1
97-1992 1998 10th CivilRights EMPLOYEE EMPLOYER conser 0 1
99-536 1999 5th CivilRights EMPLOYEE EMPLOYER conser 0 1
00-6029 2001 8th Unions EMPLOYEE EMPLOYER liberal 0 0
93-1783 1994 4th JudicialPower OTHER EMPLOYER conser 0 0
93-768 1994 7th Unions OTHER EMPLOYER conser 0 0
94-947 1995 8th Unions OTHER EMPLOYER conser 0 1
95-340 1995 8th Unions OTHER EMPLOYER conser 0 1
96-370 1997 9th EconomicActivity OTHER EMPLOYER conser 0 1
97-1008 1998 5th CivilRights OTHER EMPLOYER conser 0 1
99-1823 2001 4th Unions OTHER EMPLOYER conser 0 1
95-325 1995 10th FederalTaxation US EMPLOYER conser 0 1
98-6 1998 9th CivilRights BUSINESS AMERICAN.INDIAN liberal 0 1
98-830 1998 10th CivilRights BUSINESS AMERICAN.INDIAN liberal 0 1
00-292 2000 10th EconomicActivity BUSINESS AMERICAN.INDIAN liberal 0 1
94-771 1994 10th CivilRights OTHER AMERICAN.INDIAN liberal 0 0
95-1595 1996 9th CivilRights OTHER AMERICAN.INDIAN conser 0 1
97-174 1997 8th CivilRights OTHER AMERICAN.INDIAN liberal 0 1
00-454 2000 10th CivilRights OTHER AMERICAN.INDIAN liberal 0 1
94-1474 1996 9th CivilRights STATE AMERICAN.INDIAN liberal 0 0
96-1577 1997 9th CivilRights STATE AMERICAN.INDIAN liberal 0 1
96-1581 1997 8th CivilRights STATE AMERICAN.INDIAN liberal 0 1
96-1829 1997 9th CivilRights STATE AMERICAN.INDIAN liberal 0 1
97-1337 1998 8th CivilRights STATE AMERICAN.INDIAN liberal 0 0
99-1994 2000 9th CivilRights STATE AMERICAN.INDIAN liberal 0 1
94-286 1994 11th FederalismAndInterstateRelations BUSINESS INJURED.PERSON conser 0 0
94-1387 1995 3rd FederalismAndInterstateRelations BUSINESS INJURED.PERSON liberal 0 0
95-754 1995 11th FederalismAndInterstateRelations BUSINESS INJURED.PERSON liberal 0 0
95-1263 1996 6th JudicialPower BUSINESS INJURED.PERSON conser 0 1
97-1709 1998 11th JudicialPower BUSINESS INJURED.PERSON conser 0 1
97-475 1998 2nd JudicialPower BUSINESS INJURED.PERSON liberal 0 0
99-312 1999 6th EconomicActivity BUSINESS INJURED.PERSON liberal 0 0
00-346 2000 4th JudicialPower BUSINESS INJURED.PERSON liberal 0 0
98-1768 2000 3rd EconomicActivity BUSINESS INJURED.PERSON liberal 0 0
93-1504 1994 5th JudicialPower OTHER INJURED.PERSON liberal 0 0
94-3 1994 6th CriminalProcedure OTHER INJURED.PERSON conser 1 1
95-1100 1996 5th EconomicActivity OTHER INJURED.PERSON liberal 0 0
96-1337 1997 9th DueProcess OTHER INJURED.PERSON liberal 0 1
95-1853 1996 8th JudicialPower POLITICIAN INJURED.PERSON liberal 1 0
94-1837 1995 11th EconomicActivity BUSINESS GOVERNMENT.OFFICIAL conser 0 1
95-1232 1996 6th FederalismAndInterstateRelations BUSINESS GOVERNMENT.OFFICIAL liberal 1 1
00-596 2000 1st FirstAmendment BUSINESS GOVERNMENT.OFFICIAL conser 1 0
00-6374 2000 6th JudicialPower CRIMINAL.DEFENDENT GOVERNMENT.OFFICIAL conser 0 1
94-1239 1995 4th FederalismAndInterstateRelations GOVERNMENT.OFFICIAL GOVERNMENT.OFFICIAL liberal 1 1
98-1648 1999 5th FirstAmendment GOVERNMENT.OFFICIAL GOVERNMENT.OFFICIAL liberal 0 0
93-823 1994 8th EconomicActivity OTHER GOVERNMENT.OFFICIAL liberal 0 1
93-908 1994 11th FederalTaxation OTHER GOVERNMENT.OFFICIAL conser 0 0
94-500 1994 5th FederalTaxation OTHER GOVERNMENT.OFFICIAL conser 0 1
94-1785 1995 4th FederalTaxation OTHER GOVERNMENT.OFFICIAL conser 0 0
95-1402 1996 11th FederalTaxation OTHER GOVERNMENT.OFFICIAL conser 0 0
96-552 1996 2nd FirstAmendment OTHER GOVERNMENT.OFFICIAL liberal 0 0
97-1927 1998 9th CriminalProcedure OTHER GOVERNMENT.OFFICIAL liberal 0 0
98-83 1998 4th CriminalProcedure OTHER GOVERNMENT.OFFICIAL conser 0 1
98-1464 1999 4th FederalismAndInterstateRelations OTHER GOVERNMENT.OFFICIAL conser 0 1
94-923 1995 4th JudicialPower POLITICIAN GOVERNMENT.OFFICIAL liberal 0 0
95-1425 1996 11th JudicialPower POLITICIAN GOVERNMENT.OFFICIAL conser 0 1
96-126 1996 11th Privacy POLITICIAN GOVERNMENT.OFFICIAL conser 1 1
99-401 1999 9th FirstAmendment POLITICIAN GOVERNMENT.OFFICIAL conser 1 0
94-395 1994 9th FederalismAndInterstateRelations US GOVERNMENT.OFFICIAL conser 0 0
95-1225 1996 9th FederalTaxation US GOVERNMENT.OFFICIAL conser 0 1
96-1613 1997 3rd FederalTaxation US GOVERNMENT.OFFICIAL conser 0 0
97-372 1997 FED FederalTaxation US GOVERNMENT.OFFICIAL conser 0 0
00-203 2000 6th EconomicActivity US GOVERNMENT.OFFICIAL conser 0 1
93-1286 1994 7th EconomicActivity BUSINESS OTHER conser 0 0
93-1841 1994 10th CivilRights BUSINESS OTHER liberal 1 0
94-226 1994 11th Attorneys BUSINESS OTHER liberal 0 0
94-560 1994 3rd EconomicActivity BUSINESS OTHER liberal 0 0
94-562 1994 5th JudicialPower BUSINESS OTHER liberal 0 0
94-688 1994 10th JudicialPower BUSINESS OTHER conser 0 0
94-1340 1995 4th EconomicActivity BUSINESS OTHER liberal 0 1
94-1809 1995 9th JudicialPower BUSINESS OTHER liberal 0 0
94-896 1995 11th FederalismAndInterstateRelations BUSINESS OTHER liberal 1 1
95-124 1995 DC FirstAmendment BUSINESS OTHER conser 1 0
95-210 1995 4th Unions BUSINESS OTHER liberal 0 0
95-1181 1996 2nd EconomicActivity BUSINESS OTHER liberal 0 1
95-928 1996 3rd EconomicActivity BUSINESS OTHER liberal 0 0
95-992 1996 DC FirstAmendment BUSINESS OTHER conser 1 0
96-663 1996 8th JudicialPower BUSINESS OTHER conser 0 0
96-1375 1997 8th JudicialPower BUSINESS OTHER conser 0 0
96-1482 1997 9th CriminalProcedure BUSINESS OTHER liberal 0 1
96-643 1997 7th JudicialPower BUSINESS OTHER liberal 0 1
97-42 1997 1st DueProcess BUSINESS OTHER liberal 1 0
97-1489 1998 6th JudicialPower BUSINESS OTHER conser 0 0
97-303 1998 9th EconomicActivity BUSINESS OTHER liberal 0 0
98-149 1998 3rd JudicialPower BUSINESS OTHER conser 0 1
98-84 1998 3rd CivilRights BUSINESS OTHER liberal 0 1
98-1949 1999 7th EconomicActivity BUSINESS OTHER liberal 0 1
98-1991 1999 10th EconomicActivity BUSINESS OTHER liberal 0 0
99-409 1999 8th JudicialPower BUSINESS OTHER liberal 1 0
99-699 1999 3rd FirstAmendment BUSINESS OTHER liberal 1 0
00-24 2000 9th CivilRights BUSINESS OTHER liberal 0 0
99-1848 2000 4th Attorneys BUSINESS OTHER conser 0 1
00-730 2001 10th JudicialPower BUSINESS OTHER conser 0 0
94-23 1994 9th JudicialPower CITY OTHER liberal 0 0
94-780 1994 6th FirstAmendment CITY OTHER conser 1 1
95-2074 1996 5th JudicialPower CITY OTHER liberal 1 1
96-910 1997 7th JudicialPower CITY OTHER conser 0 0
97-1230 1998 9th CriminalProcedure CITY OTHER conser 0 1
97-1235 1998 9th DueProcess CITY OTHER conser 0 0
98-1288 1999 7th JudicialPower CITY OTHER liberal 0 0
98-678 1999 9th FirstAmendment CITY OTHER liberal 0 0
99-1030 2000 7th CriminalProcedure CITY OTHER liberal 0 0
99-1178 2000 7th FederalismAndInterstateRelations CITY OTHER liberal 0 0
96-542 1996 11th CivilRights CRIMINAL.DEFENDENT OTHER conser 0 1
98-7809 1999 9th DueProcess CRIMINAL.DEFENDENT OTHER conser 1 0
93-1197 1994 3rd EconomicActivity EMPLOYEE OTHER conser 0 1
94-455 1994 7th CriminalProcedure EMPLOYEE OTHER conser 0 0
97-1056 1998 9th Unions EMPLOYEE OTHER liberal 0 0
97-889 1998 4th Unions EMPLOYEE OTHER conser 0 1
98-1167 1999 5th Unions EMPLOYEE OTHER conser 0 1
98-791 1999 11th CivilRights EMPLOYEE OTHER conser 1 1
99-1687 2000 3rd CriminalProcedure EMPLOYEE OTHER liberal 0 0
00-1072 2001 4th JudicialPower EMPLOYEE OTHER conser 0 1
93-1935 1994 3rd JudicialPower EMPLOYER OTHER liberal 0 1
95-668 1995 1st Unions EMPLOYER OTHER liberal 0 0
95-1081 1996 5th EconomicActivity EMPLOYER OTHER liberal 0 0
96-795 1997 DC Unions EMPLOYER OTHER liberal 0 0
97-463 1997 3rd Unions EMPLOYER OTHER liberal 0 1
97-1287 1998 9th EconomicActivity EMPLOYER OTHER liberal 0 1
99-1038 2000 4th Unions EMPLOYER OTHER liberal 0 0
96-1037 1997 10th CivilRights AMERICAN.INDIAN OTHER conser 1 0
97-115 1997 8th EconomicActivity INJURED.PERSON OTHER liberal 0 0
95-386 1995 11th DueProcess GOVERNMENT.OFFICIAL OTHER conser 1 1
95-1441 1996 9th EconomicActivity GOVERNMENT.OFFICIAL OTHER liberal 1 1
95-1594 1996 2nd EconomicActivity GOVERNMENT.OFFICIAL OTHER liberal 0 1
96-292 1996 9th CriminalProcedure GOVERNMENT.OFFICIAL OTHER conser 0 0
96-1569 1997 1st EconomicActivity GOVERNMENT.OFFICIAL OTHER liberal 0 1
96-792 1997 9th CriminalProcedure GOVERNMENT.OFFICIAL OTHER liberal 0 0
97-147 1997 3rd FederalTaxation GOVERNMENT.OFFICIAL OTHER liberal 0 0
97-1802 1998 9th Privacy GOVERNMENT.OFFICIAL OTHER liberal 0 1
98-347 1998 FED JudicialPower GOVERNMENT.OFFICIAL OTHER liberal 0 1
98-536 1998 11th CivilRights GOVERNMENT.OFFICIAL OTHER liberal 1 0
98-2043 1999 9th FederalismAndInterstateRelations GOVERNMENT.OFFICIAL OTHER liberal 1 1
99-474 1999 1st FederalismAndInterstateRelations GOVERNMENT.OFFICIAL OTHER liberal 0 0
99-830 1999 8th Privacy GOVERNMENT.OFFICIAL OTHER liberal 0 0
99-1185 2000 9th CriminalProcedure GOVERNMENT.OFFICIAL OTHER liberal 1 0
99-1295 2000 10th FederalTaxation GOVERNMENT.OFFICIAL OTHER liberal 0 1
99-1908 2000 11th JudicialPower GOVERNMENT.OFFICIAL OTHER liberal 0 0
93-1001 1994 11th EconomicActivity OTHER OTHER conser 0 1
93-1128 1994 FED CivilRights OTHER OTHER liberal 0 0
93-1151 1994 DC JudicialPower OTHER OTHER conser 0 1
93-1199 1994 6th CivilRights OTHER OTHER conser 0 0
93-1525 1994 2nd EconomicActivity OTHER OTHER conser 1 1
93-1636 1994 11th CivilRights OTHER OTHER liberal 0 1
93-1883 1994 9th FederalismAndInterstateRelations OTHER OTHER liberal 0 1
93-404 1994 7th EconomicActivity OTHER OTHER liberal 0 1
93-714 1994 9th EconomicActivity OTHER OTHER liberal 0 0
93-986 1994 6th FederalismAndInterstateRelations OTHER OTHER conser 1 1
94-197 1994 9th FederalismAndInterstateRelations OTHER OTHER conser 0 0
94-329 1994 4th FirstAmendment OTHER OTHER liberal 1 0
94-367 1994 7th CriminalProcedure OTHER OTHER liberal 0 0
94-372 1994 FED EconomicActivity OTHER OTHER liberal 0 1
94-590 1994 9th CriminalProcedure OTHER OTHER liberal 0 0
94-749 1994 1st FirstAmendment OTHER OTHER conser 1 1
94-859 1994 DC JudicialPower OTHER OTHER conser 0 1
94-1530 1995 6th JudicialPower OTHER OTHER conser 0 0
94-967 1995 1st EconomicActivity OTHER OTHER liberal 0 1
95-365 1995 DC JudicialPower OTHER OTHER conser 0 1
95-559 1995 9th JudicialPower OTHER OTHER conser 0 1
95-719 1995 2nd FederalismAndInterstateRelations OTHER OTHER conser 1 1
95-1455 1996 DC CivilRights OTHER OTHER liberal 0 0
95-1694 1996 9th EconomicActivity OTHER OTHER liberal 1 1
95-1723 1996 9th EconomicActivity OTHER OTHER conser 0 0
95-813 1996 9th JudicialPower OTHER OTHER conser 0 1
95-853 1996 5th DueProcess OTHER OTHER conser 1 1
95-938 1996 9th CivilRights OTHER OTHER liberal 0 1
96-243 1996 9th DueProcess OTHER OTHER conser 1 1
96-454 1996 5th EconomicActivity OTHER OTHER liberal 0 0
96-79 1996 5th EconomicActivity OTHER OTHER conser 0 1
96-1060 1997 DC DueProcess OTHER OTHER conser 1 0
96-1370 1997 8th EconomicActivity OTHER OTHER liberal 0 0
96-1462 1997 2nd FederalismAndInterstateRelations OTHER OTHER conser 1 0
96-1866 1997 5th EconomicActivity OTHER OTHER conser 0 1
97-16 1997 6th JudicialPower OTHER OTHER liberal 0 1
97-371 1997 9th FirstAmendment OTHER OTHER liberal 0 1
97-461 1997 7th JudicialPower OTHER OTHER conser 1 1
97-5737 1997 9th JudicialPower OTHER OTHER conser 0 1
97-581 1997 3rd CriminalProcedure OTHER OTHER liberal 0 0
96-1570 1998 2nd EconomicActivity OTHER OTHER liberal 0 1
96-1793 1998 8th CivilRights OTHER OTHER liberal 0 0
97-1184 1998 4th Unions OTHER OTHER conser 0 1
97-1252 1998 9th JudicialPower OTHER OTHER liberal 0 1
97-1418 1998 7th EconomicActivity OTHER OTHER liberal 0 0
97-1625 1998 9th EconomicActivity OTHER OTHER liberal 0 0
97-1754 1998 9th CivilRights OTHER OTHER liberal 0 1
97-1909 1998 11th EconomicActivity OTHER OTHER conser 0 1
97-843 1998 11th CivilRights OTHER OTHER conser 0 1
98-10 1998 11th JudicialPower OTHER OTHER liberal 0 1
98-231 1998 2nd JudicialPower OTHER OTHER liberal 0 0
98-369 1998 11th FederalTaxation OTHER OTHER liberal 0 0
98-377 1998 FED JudicialPower OTHER OTHER liberal 0 1
98-727 1998 6th JudicialPower OTHER OTHER conser 0 0
98-822 1998 4th JudicialPower OTHER OTHER conser 0 1
98-97 1998 9th CivilRights OTHER OTHER liberal 0 0
98-1189 1999 7th FirstAmendment OTHER OTHER liberal 0 1
98-1960 1999 11th EconomicActivity OTHER OTHER conser 0 1
98-405 1999 DC CivilRights OTHER OTHER conser 1 1
98-896 1999 5th EconomicActivity OTHER OTHER conser 0 0
99-138 1999 9th Privacy OTHER OTHER liberal 1 1
99-387 1999 7th EconomicActivity OTHER OTHER liberal 0 1
99-502 1999 6th Attorneys OTHER OTHER conser 0 1
99-62 1999 5th FirstAmendment OTHER OTHER liberal 1 0
00-1011 2000 2nd JudicialPower OTHER OTHER conser 1 1
00-201 2000 2nd EconomicActivity OTHER OTHER liberal 0 1
00-767 2000 2nd JudicialPower OTHER OTHER liberal 0 0
99-1529 2000 9th EconomicActivity OTHER OTHER conser 0 0
99-1977 2000 5th FirstAmendment OTHER OTHER liberal 0 1
99-2036 2000 2nd FirstAmendment OTHER OTHER liberal 0 0
99-2071 2000 5th CriminalProcedure OTHER OTHER conser 1 0
99-603 2000 2nd FirstAmendment OTHER OTHER liberal 0 0
99-7791 2000 5th DueProcess OTHER OTHER conser 0 1
00-1045 2001 9th Privacy OTHER OTHER liberal 0 1
00-1073 2001 10th Privacy OTHER OTHER liberal 0 1
00-1514 2001 8th CivilRights OTHER OTHER conser 1 1
00-952 2001 FED CivilRights OTHER OTHER liberal 0 0
94-1039 1995 10th CivilRights POLITICIAN OTHER liberal 0 0
95-489 1995 10th FirstAmendment POLITICIAN OTHER conser 1 0
95-1201 1996 9th CivilRights POLITICIAN OTHER conser 0 1
95-2024 1996 11th FederalismAndInterstateRelations POLITICIAN OTHER liberal 1 0
97-1396 1998 9th CivilRights POLITICIAN OTHER conser 0 1
00-836 2000 11th DueProcess POLITICIAN OTHER liberal 1 1
93-1823 1994 8th CivilRights STATE OTHER liberal 1 0
95-1649 1996 10th DueProcess STATE OTHER liberal 0 0
95-1858 1996 2nd Privacy STATE OTHER liberal 0 1
96-110 1996 9th Privacy STATE OTHER liberal 0 1
96-1400 1997 9th FederalismAndInterstateRelations STATE OTHER liberal 0 0
00-568 2001 DC EconomicActivity STATE OTHER conser 0 0
00-957 2001 10th CriminalProcedure STATE OTHER liberal 0 0
93-1170 1994 DC FirstAmendment US OTHER liberal 0 0
93-1260 1994 5th FederalismAndInterstateRelations US OTHER conser 0 1
94-270 1994 9th CriminalProcedure US OTHER conser 0 1
95-323 1995 6th EconomicActivity US OTHER conser 0 1
95-1717 1996 6th DueProcess US OTHER liberal 1 1
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96-1133 1997 FED DueProcess US OTHER liberal 0 0
97-731 1997 5th JudicialPower US OTHER liberal 0 1
97-873 1997 2nd CriminalProcedure US OTHER liberal 0 1
98-1701 1999 9th FederalismAndInterstateRelations US OTHER conser 0 1
99-5 1999 4th JudicialPower US OTHER conser 0 1
00-1260 2001 9th CriminalProcedure US OTHER liberal 0 1
93-1456 1994 8th CivilRights BUSINESS POLITICIAN liberal 0 0
96-779 1997 8th FirstAmendment BUSINESS POLITICIAN liberal 0 0
94-631 1994 11th CivilRights GOVERNMENT.OFFICIAL POLITICIAN conser 0 1
94-805 1995 5th CivilRights GOVERNMENT.OFFICIAL POLITICIAN conser 0 1
96-670 1997 5th CivilRights GOVERNMENT.OFFICIAL POLITICIAN liberal 1 0
98-85 1998 4th CivilRights GOVERNMENT.OFFICIAL POLITICIAN conser 1 1
98-963 1999 8th FirstAmendment GOVERNMENT.OFFICIAL POLITICIAN conser 0 1
99-1864 2000 4th JudicialPower GOVERNMENT.OFFICIAL POLITICIAN conser 0 1
99-929 2000 8th FirstAmendment GOVERNMENT.OFFICIAL POLITICIAN liberal 0 0
95-1608 1996 8th CivilRights OTHER POLITICIAN liberal 0 0
96-1671 1996 DC JudicialPower OTHER POLITICIAN liberal 0 0
96-1590 1997 DC FirstAmendment OTHER POLITICIAN conser 0 1
00-191 2000 10th FirstAmendment OTHER POLITICIAN conser 0 1
94-203 1995 4th CivilRights POLITICIAN POLITICIAN conser 1 1
99-51 1999 9th CivilRights POLITICIAN POLITICIAN conser 0 1
00-949 2000 11th DueProcess POLITICIAN POLITICIAN liberal 1 0
94-558 1994 5th CivilRights US POLITICIAN liberal 0 1
94-1140 1995 1st FirstAmendment BUSINESS STATE conser 1 1
97-2045 1998 11th DueProcess BUSINESS STATE liberal 1 1
93-7407 1994 6th JudicialPower CRIMINAL.DEFENDENT STATE conser 1 1
93-7659 1994 11th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 1 1
93-7901 1994 8th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 0 1
93-7927 1994 5th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 0 1
94-5707 1994 8th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 1 1
94-6790 1994 5th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 0 1
94-6615 1995 9th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 0 1
95-5015 1995 11th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 0 1
95-6510 1995 4th DueProcess CRIMINAL.DEFENDENT STATE liberal 1 0
95-8836 1995 11th JudicialPower CRIMINAL.DEFENDENT STATE conser 1 0
95-7452 1996 11th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 1 1
96-5658 1996 11th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 0 1
96-5955 1996 7th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 1 0
96-6133 1996 7th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 0 1
96-6298 1996 7th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 0 1
96-6867 1996 4th DueProcess CRIMINAL.DEFENDENT STATE conser 1 1
96-1584 1997 5th DueProcess CRIMINAL.DEFENDENT STATE conser 1 1
96-7171 1997 8th DueProcess CRIMINAL.DEFENDENT STATE conser 1 1
96-7901 1997 5th JudicialPower CRIMINAL.DEFENDENT STATE conser 0 1
96-8400 1997 4th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 1 1
96-8653 1997 4th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 1 1
97-6146 1997 FED CriminalProcedure CRIMINAL.DEFENDENT STATE conser 1 1
97-7213 1998 3rd CriminalProcedure CRIMINAL.DEFENDENT STATE conser 0 0
97-7597 1998 8th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 1 1
98-5864 1998 4th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 1 0
98-5881 1998 4th DueProcess CRIMINAL.DEFENDENT STATE conser 1 1
98-6322 1999 9th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 1 1
98-7540 1999 5th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 1 1
98-8384 1999 4th CivilRights CRIMINAL.DEFENDENT STATE conser 0 1
99-478 1999 3rd DueProcess CRIMINAL.DEFENDENT STATE conser 1 1
99-5746 1999 4th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 1 1
99-6615 1999 4th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 0 1
99-7000 1999 4th DueProcess CRIMINAL.DEFENDENT STATE conser 1 1
00-5250 2000 4th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 1 1
00-5961 2000 5th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 0 1
00-6677 2000 5th DueProcess CRIMINAL.DEFENDENT STATE conser 1 1
98-942 2000 3rd CriminalProcedure CRIMINAL.DEFENDENT STATE conser 1 1
99-1408 2000 5th JudicialPower CRIMINAL.DEFENDENT STATE conser 1 1
99-1964 2000 3rd JudicialPower CRIMINAL.DEFENDENT STATE conser 0 0
99-6218 2000 6th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 1 1
99-9136 2000 9th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 1 1
00-6933 2001 8th DueProcess CRIMINAL.DEFENDENT STATE conser 1 1
00-9280 2001 4th CriminalProcedure CRIMINAL.DEFENDENT STATE conser 1 1
95-974 1996 9th FirstAmendment EMPLOYEE STATE conser 0 0
98-436 1998 1st Unions EMPLOYEE STATE conser 0 1
94-12 1995 11th CivilRights AMERICAN.INDIAN STATE conser 0 1
94-8729 1995 6th DueProcess OTHER STATE conser 1 1
95-5207 1995 10th CriminalProcedure OTHER STATE conser 1 1
95-1598 1996 10th DueProcess OTHER STATE liberal 0 0
98-1856 1999 10th FirstAmendment OTHER STATE liberal 1 0
99-2047 2000 1st CivilRights OTHER STATE liberal 1 0
95-2031 1996 5th CivilRights POLITICIAN STATE conser 0 1
98-818 1999 9th CivilRights POLITICIAN STATE liberal 1 0
94-1941 1995 4th CivilRights US STATE conser 1 1
98-387 1998 5th FirstAmendment BUSINESS US conser 1 1
99-116 1999 11th CivilRights BUSINESS US liberal 1 0
99-244 1999 FED EconomicActivity BUSINESS US liberal 0 0
99-859 2000 9th EconomicActivity BUSINESS US conser 0 1
93-6892 1994 10th CriminalProcedure CRIMINAL.DEFENDENT US conser 0 1
94-6187 1994 5th CriminalProcedure CRIMINAL.DEFENDENT US conser 1 1
94-1664 1995 9th CriminalProcedure CRIMINAL.DEFENDENT US conser 0 0
94-7427 1995 10th CriminalProcedure CRIMINAL.DEFENDENT US conser 1 1
94-7448 1995 DC CriminalProcedure CRIMINAL.DEFENDENT US conser 1 1
94-8769 1995 7th CriminalProcedure CRIMINAL.DEFENDENT US conser 1 1
94-9088 1995 7th CriminalProcedure CRIMINAL.DEFENDENT US conser 0 0
94-9247 1995 6th CriminalProcedure CRIMINAL.DEFENDENT US conser 1 1
95-5257 1995 7th CriminalProcedure CRIMINAL.DEFENDENT US conser 0 1
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95-5841 1995 DC CriminalProcedure CRIMINAL.DEFENDENT US conser 1 0
95-6465 1995 2nd CriminalProcedure CRIMINAL.DEFENDENT US conser 1 1
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96-1279 1997 11th DueProcess CRIMINAL.DEFENDENT US conser 1 0
96-1579 1997 2nd CriminalProcedure CRIMINAL.DEFENDENT US conser 1 1
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96-7151 1997 5th CriminalProcedure CRIMINAL.DEFENDENT US conser 0 1
96-7185 1997 7th CriminalProcedure CRIMINAL.DEFENDENT US conser 0 0
96-827 1997 DC FirstAmendment CRIMINAL.DEFENDENT US conser 1 1
96-8422 1997 2nd CriminalProcedure CRIMINAL.DEFENDENT US conser 0 0
96-8516 1997 8th CriminalProcedure CRIMINAL.DEFENDENT US conser 1 1
96-8732 1997 7th CriminalProcedure CRIMINAL.DEFENDENT US conser 1 0
96-8986 1997 8th JudicialPower CRIMINAL.DEFENDENT US conser 0 1
96-976 1997 10th CriminalProcedure CRIMINAL.DEFENDENT US conser 0 0
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97-6203 1998 9th CriminalProcedure CRIMINAL.DEFENDENT US conser 1 1
97-7164 1998 2nd CriminalProcedure CRIMINAL.DEFENDENT US conser 0 0
97-7541 1998 3rd CriminalProcedure CRIMINAL.DEFENDENT US conser 1 1
97-8629 1998 7th CriminalProcedure CRIMINAL.DEFENDENT US conser 1 1
97-9217 1998 3rd CriminalProcedure CRIMINAL.DEFENDENT US conser 0 0
97-9361 1998 5th CriminalProcedure CRIMINAL.DEFENDENT US conser 1 1
98-9349 1999 5th CriminalProcedure CRIMINAL.DEFENDENT US conser 1 1
98-9828 1999 9th CriminalProcedure CRIMINAL.DEFENDENT US conser 1 1
99-5525 1999 4th CriminalProcedure CRIMINAL.DEFENDENT US conser 1 1
99-5716 1999 3rd CriminalProcedure CRIMINAL.DEFENDENT US conser 0 1
99-5739 1999 7th FederalismAndInterstateRelations CRIMINAL.DEFENDENT US conser 1 1
99-658 1999 5th CriminalProcedure CRIMINAL.DEFENDENT US conser 1 1
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99-8576 2000 7th CriminalProcedure CRIMINAL.DEFENDENT US conser 1 1
99-9073 2000 7th CriminalProcedure CRIMINAL.DEFENDENT US conser 0 0
00-6567 2001 6th DueProcess CRIMINAL.DEFENDENT US conser 1 1
95-232 1995 5th JudicialPower EMPLOYEE US conser 0 1
00-507 2001 10th CivilRights AMERICAN.INDIAN US conser 0 0
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96-738 1997 5th CriminalProcedure GOVERNMENT.OFFICIAL US conser 0 0
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00-1567 2001 1st EconomicActivity GOVERNMENT.OFFICIAL US liberal 0 0
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95-173 1995 9th EconomicActivity OTHER US conser 1 1
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96-6839 1997 5th CriminalProcedure OTHER US conser 1 1
97-1192 1997 DC JudicialPower OTHER US conser 0 1
97-1985 1998 11th CriminalProcedure OTHER US conser 1 0
98-1828 1999 2nd CriminalProcedure OTHER US conser 1 1
99-5153 1999 6th CriminalProcedure OTHER US conser 0 0
99-804 2000 5th CriminalProcedure OTHER US liberal 0 1
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97-29 1997 DC CivilRights STATE US conser 0 0
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Raw
stevens.R
library(caTools)
library(rpart)
library(rpart.plot)
library(ROCR)
library(randomForest)
library(caret)
library(e1071)
stevens <- read.csv('stevens.csv')
set.seed(3000)
spl <- sample.split(stevens$Reverse, SplitRatio=0.7)
train <- subset(stevens, spl == TRUE)
test <- subset(stevens, spl == FALSE)
vars <- names(stevens)[names(stevens) != 'Term']
tree <- rpart(Reverse ~ Circuit + Issue + Petitioner + Respondent + LowerCourt + Unconst, data = train, method='class', minbucket=25)
prp(tree)
pred <- predict(tree, newdata=test, type='class')
table(test$Reverse, pred)
# 0 1
# 0 41 36
# 1 22 71
# Accuracy: 0.6588235
(41 + 71) / (41 + 22 + 36 + 71)
# Baseline model (always predicting 'Reverse') accuracy: 0.5470588
(71 + 22) / (41 + 22 + 36 + 71)
predictROC <- predict(tree, newdata=test)
pred2 <- prediction(predictROC[,2], test$Reverse)
pref <- performance(pred2, 'tpr', 'fpr')
plot(pref)
# Compute AUC.
as.numeric(performance(pred2, 'auc')@y.values)
tree2 <- rpart(Reverse ~ Circuit + Issue + Petitioner + Respondent + LowerCourt + Unconst, data = train, method='class', minbucket=5)
prp(tree2)
tree3 <- rpart(Reverse ~ Circuit + Issue + Petitioner + Respondent + LowerCourt + Unconst, data = train, method='class', minbucket=100)
prp(tree3)
# Build a random forest (improves accuracy significantly over CART [ie rpart]).
train$Reverse <- as.factor(train$Reverse)
test$Reverse <- as.factor(test$Reverse)
forest <- randomForest(Reverse ~ Circuit + Issue + Petitioner + Respondent + LowerCourt + Unconst, data = train, nodesize=25, ntree=200)
predictForest <- predict(forest, newdata=test)
table(test$Reverse, predictForest)
# 0 1
# 0 40 37
# 1 19 74
# Accuracy: 0.6705882
(40 + 74) / (40 + 19 + 37 + 74)
set.seed(100)
forest <- randomForest(Reverse ~ Circuit + Issue + Petitioner + Respondent + LowerCourt + Unconst, data = train, nodesize=25, ntree=200)
predictForest <- predict(forest, newdata=test)
table(test$Reverse, predictForest)
# 0 1
# 0 43 34
# 1 19 74
# Accuracy: 0.6882353
(43 + 74) / (43 + 19 + 34 + 74)
set.seed(200)
forest <- randomForest(Reverse ~ Circuit + Issue + Petitioner + Respondent + LowerCourt + Unconst, data = train, nodesize=25, ntree=200)
predictForest <- predict(forest, newdata=test)
table(test$Reverse, predictForest)
# 0 1
# 0 44 33
# 1 17 76
# Accuracy: 0.7058824
(44 + 76) / (44 + 17 + 33 + 76)
# Use cross-validation with folds to improve accuracy.
numFolds <- trainControl(method='cv', number=10)
cpGrid <- expand.grid(.cp=seq(0.01, 0.5, 0.01))
train(Reverse ~ Circuit + Issue + Petitioner + Respondent + LowerCourt + Unconst, data=train, method='rpart', trControl=numFolds, tuneGrid=cpGrid)
# The train() command gives us cp = 0.18 as the optimal value.
tree4 <- rpart(Reverse ~ Circuit + Issue + Petitioner + Respondent + LowerCourt + Unconst, data = train, method='class', cp=0.18)
predict4 <- predict(tree4, newdata=test, type='class')
table(test$Reverse, predict4)
# 0 1
# 0 59 18
# 1 29 64
# Accuracy: 0.7235294
(59 + 64) / (59 + 29 + 18 + 64)
# The best accuracy tree only has 1 split! Very simple.
prp(tree4)
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