NEWS

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birdie 0.8.0 (2026-09-09)

• Update the built-in surname and geography (state and ZIP code) race tables used by bisg() to the 2020 decennial census.
• Update the default national race distribution used by p_r_natl() to the 2024 American Community Survey, extend its time series through 2024, and add voting-age population statistics for 2009 onward.
• Improved and stabilized BISG estimation in small datasets (#22)
• Improved README and documentation

birdie 0.7.1 (2025-07-24)

• Support for 2020 decennial census data (#19)
• Fix bug preventing p_r="estimate" in bisg_me() (#18)
• Update CITATION
• Add rstan to Suggests due to its use in Makefile (#21)

birdie 0.6.1 (2024-06-11)

• Switch to an inverse-gamma prior for the random effects scale parameter in the mixed model.
• Add Jacobian adjustment to mixed model M step to improve accuracy and reduce prior sensitivity.

birdie 0.5.0

• Gibbs sampler for Categorical-Dirichlet and Normal linear models
• simulate.bisg() to perform multiple imputation from BISG probabilities

birdie 0.4.0

• Support for continuous outcomes
• Support for observation/likelihood weights
• New method for specifying outcome model type
• New default empirical Bayes prior for Categorical-Dirichlet model

birdie 0.3.0

• New interfaces and implementations for BISG
• New computational backend and interface for BIRDiE models
• Updated documentation and examples
• Unit tests for accuracy and usability

birdie 0.1.0

• Basic BISG functionality and initial model support