A data set on the presence of the direct primary in U.S. congressional elections and the vote shares for the Democratic, Republican, and third parties. Based on ICPSR Study 6985
primary
A data frame with 1164 observations and the following 7 variables:
name of the state
year of the congressional election
percentage of the total vote cast for the Democratic candidate, 0-100
percentage of the total vote cast for the Republican candidate, 0-100
percentage of the total vote cast for other parties, 0-100
binary variable indicating if the state had the direct primary (=1) or not (=0)
binary variable indicating if the state is in the South (=1) or not (=0)
David, Paul T., and Claggett, William. Party Strength in the United States: 1872-1996. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2008-09-10. https://doi.org/10.3886/ICPSR06895.v1