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Stan imperative probabilistic model language and inference runtime

Contribution grade

Probabilistic programming · Human-designed research method or resource

Reference score290,000Provisional editorial estimate of this exact contribution; its grade is assessed separately.

What changed

Compiles imperative model specifications into log-density computations and supplies adaptive HMC/NUTS sampling, optimization and diagnostics through language interfaces.

Scientific scope

Compiles imperative model specifications into log-density computations and supplies adaptive HMC/NUTS sampling, optimization and diagnostics through language interfaces. The2017journal account describes version2.14.0 and earlier project work, not a2017initial software launch or the current runtime. Continuous-parameter model restrictions, transformations and finite-sampling diagnostics remain; HMC/NUTS and optimization methods are inherited. Distinct from the lower-level Stan Math autodifferentiation library.

Evidence

The linked original sources describe the stated contribution and its evidence limits. WRS has not independently rerun the experiments or certified a proof. The2017journal account describes version2.14.0 and earlier project work, not a2017initial software launch or the current runtime. Continuous-parameter model restrictions, transformations and finite-sampling diagnostics remain; HMC/NUTS and optimization methods are inherited. Distinct from the lower-level Stan Math autodifferentiation library.

Contributors

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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