scotus.1937.2021: U.S. Supreme Court Voting Data (1937-2021)

In pumBayes: Bayesian Estimation of Probit Unfolding Models for Binary Preference Data

U.S. Supreme Court Voting Data (1937-2021)

Description

This dataset contains voting records from the U.S. Supreme Court between 1937 and 2021. Loading 'data(scotus.1937.2021)' will load the following two independent objects into the environment:

Usage

data(scotus.1937.2021)

Format

The dataset consists of the following two objects:

mqVotes

A '48 × 6108' matrix, where each row represents a judge and each column represents a case. Entries are:

• '1' ('TRUE'): The judge voted to reverse the lower court decision.

• '0' ('FALSE'): The judge voted to uphold the lower court decision.

• 'NA': The judge did not vote on the case.

mqTime

A numeric vector of length '6108', indicating the time period associated with each case.

Source

The data were obtained from the Martin-Quinn Scores Database, maintained by Washington University in St. Louis.

Examples

data(scotus.1937.2021)
str(mqVotes)
str(mqTime)

pumBayes documentation built on Feb. 9, 2026, 9:06 a.m.