All pull requests

Pull requests

• Add stan::json::write_json_value helper functions

  #3456·WardBrian opened Oct 29, 2026Member·3 tasks done·

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  3

• Add get_transformed_data_json to model_base

  #3455·WardBrian opened Oct 27, 2026Member·3 tasks done·

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  1

• Fix ESS and R-hat when some chains are constant, and align ESS and MCSE with posterior

  algorithmbug
  #3454·avehtari opened Oct 24, 2026Member·3 tasks done·

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  1

  3

• Fix spelling errors

  #3452·yarikoptic opened Oct 20, 2026·1 of 3 tasks·

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  3

• Skip PSIS tail smoothing when a quarter of the tail ties at its minimum

  algorithmbug
  #3451·avehtari opened Oct 19, 2026Member·

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• Optimizer: spend fewer evaluations in failing Wolfe line searches

  algorithm
  #3449·jachymb opened Oct 18, 2026·3 tasks done·

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  3

• Optimizer: cap the first L-BFGS/BFGS step so that large initial gradients do not fail the first line search

  algorithm
  #3448·jachymb opened Oct 18, 2026·3 tasks done·

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  8

• Optimizer: test sufficient decrease for the current trial step in WolfeLineSearch

  algorithmbug
  #3447·jachymb opened Oct 18, 2026·3 tasks done·

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  3

• Optimizer: compute the CubicInterp roots without cancellation

  algorithm
  #3446·jachymb opened Oct 18, 2026·3 tasks done·

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  5

• Optimizer: avoid heap allocations per evaluation and per iteration in L-BFGS/BFGS

  algorithm
  #3445·jachymb opened Oct 18, 2026·3 tasks done·

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  5

• Optimizer: size the dense BFGS inverse Hessian before each update

  algorithm
  #3444·jachymb opened Oct 18, 2026·3 tasks done·

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  2

  

• Optimizer: update the dense BFGS inverse Hessian in O(n²) instead of O(n³)

  algorithm
  #3443·jachymb opened Oct 18, 2026·3 tasks done·

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  5

  

• Fix the finite-difference scale of grad_hess_log_prob (Hessian 10⁻⁶ too small)

  algorithmbug
  #3442·jachymb opened Oct 18, 2026·3 tasks done·

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  3

• Adapt the HMC metric when the warmup is too short for the adaptation windows

  algorithm
  #3441·jachymb opened Oct 17, 2026·3 tasks done·

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  2

• Feature/opencl deserializer

  #3435·SteveBronder opened Sep 23, 2026Collaborator·3 tasks done·

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  4

• Fix further int-size ambiguities

  #3434·andrjohns opened Sep 20, 2026Contributor·3 tasks done·

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  2

• Newton optimizer: handle flat directions without producing NaN

  algorithm
  #3429·SteveBronder opened Sep 3, 2026Collaborator·3 tasks done·

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  1

  23

  

• Wrapped repeating code in a function

  #3400·Salvatore1021 opened Aug 7, 2026·3 tasks·

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  9

• Add timing info to additional services

  #3393·0xr0bert opened May 16, 2026·3 tasks done·

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  1

• update constraints to have checks for negative or zero sizes

  #3367·SteveBronder opened Oct 17, 2025Collaborator·3 tasks done·

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  5

• Cleanup varmat multi-index to use a hashmap instead of a set

  #3188·SteveBronder opened May 3, 2023Collaborator·3 tasks done·

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  9

• [WIP] Allow NUTS to do eager evaluation on forward and backward trajectory in parallel

  #3103·SteveBronder opened Feb 17, 2022Collaborator·3 tasks·

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  10

• Cleaning up instances of .str().length() for logger.info()

  #3098·AnikaAChowdhury opened Jan 29, 2022·3 tasks·

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  2

• Clarifying comments in model_base, namely 'set'-->'appended' parameters

  #3096·wrongu opened Jan 27, 2022·2 of 3 tasks·

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  1

• Skip metric regularization if adapt window=0

  #3037·nhuurre opened Apr 12, 2021Contributor·3 tasks done·

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  5