[Updated December 15, 2025] The linked Rda file contains the data used to estimate the
2024 term Martin-Quinn scores. All of the data come from the 2025 Release 01 version of the Modern Supreme Court
Database and the SCDB Legacy 07 version. mqData2024.Rda
To facilitate replication of the results published in Political Analysis, we provide these two
tarballs:
The code uses the out-dated Scythe Statistical Library,
Version 0.2, which is included in the tar-balls. We
have compiled and run this code on Linux and MacOS X
workstations using gcc 2.95. To compile and run
this code on your system, it is necessary to change
the paths in the code as well as in the Makefile.
The data in the archives comes from the Supreme
Court Data Base. All recodes from the raw data
are documented in the article. Because estimation
takes place using simulation, it is likely you will
get slightly different results between runs and
across different platforms. Also, make sure to
assess convergence before using the posterior
density samples for inference.
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