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Bayesian post-analysis using BUMPS DREAM#244

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Bayesian post-analysis using BUMPS DREAM#244
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bayesian

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@rozyczko rozyczko commented May 6, 2026

A new Bayesian MCMC sampling interface. This enables users to perform posterior sampling using the BUMPS DREAM sampler directly from both the MultiFitter and BUMPS minimizer classes.

  • Added a sample method to MultiFitter that flattens multi-dataset arrays, resolves parameter aliases, and delegates to the minimizer’s sampling method, supporting both 1D and vectorized multi-dimensional fits.
  • Implemented a sample method in the BUMPS minimizer (minimizer_bumps.py) that builds a BUMPS FitProblem and runs the DREAM sampler, returning posterior draws, parameter names, sampler state, and log-probabilities.

@rozyczko rozyczko added [scope] enhancement Adds/improves features (major.MINOR.patch) [priority] medium Normal/default priority labels May 6, 2026
@rozyczko rozyczko changed the title initial implementation Bayesian post-analysis using BUMPS DREAM May 6, 2026
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[priority] medium Normal/default priority [scope] enhancement Adds/improves features (major.MINOR.patch)

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