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For the IJSE method, cite:

Ji F, Lee J, Rabe-Hesketh S (2026). “Valid Standard Errors for Bayesian Quantile Regression With Clustered and Independent Data.” Journal of Educational and Behavioral Statistics, 51(5). doi:10.3102/10769986251379738.

For this software version, cite:

Ji F, Lee J, Rabe-Hesketh S (2026). IJSE: Infinitesimal Jackknife Standard Errors for 'brms' Models. R package version 0.3.4, https://CRAN.R-project.org/package=IJSE.

Corresponding BibTeX entries: 

  @Article{,
    title = {Valid Standard Errors for Bayesian Quantile Regression
      With Clustered and Independent Data},
    author = {Feng Ji and JoonHo Lee and Sophia Rabe-Hesketh},
    journal = {Journal of Educational and Behavioral Statistics},
    year = {2026},
    volume = {51},
    number = {5},
    doi = {10.3102/10769986251379738},
  }

  @Manual{,
    title = {IJSE: Infinitesimal Jackknife Standard Errors for 'brms'
      Models},
    author = {Feng Ji and JoonHo Lee and Sophia Rabe-Hesketh},
    year = {2026},
    note = {R package version 0.3.4},
    url = {https://CRAN.R-project.org/package=IJSE},
  }

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.