stan-dev/docs
Nov 2024 – May 2026
6 Months active
Languages Used
BibTeXMarkdownQMLStanQMDBashPythonYAML
Technical Skills
DocumentationStan ModelingTechnical WritingStan ProgrammingStatistical ModelingCI/CD
Bob Carpenter
PROFILE
Bob Carpenter
Over six months, contributed to the stan-dev/docs repository by delivering targeted documentation improvements for advanced statistical modeling topics. Focused on enhancing clarity and usability for users of Stan, this work included refining guides for the sum-to-zero constraint, triangle distribution, and Copulas, as well as updating Hidden Markov Model and Wiener diffusion model documentation. Leveraged Python scripting, Markdown formatting, and Stan programming to automate publishing workflows, standardize templates, and improve cross-system compatibility. Addressed documentation accuracy for functions like qr(), expanded Bayesian modeling references, and implemented CI/CD pipelines using GitHub Actions, resulting in more maintainable, discoverable, and user-friendly technical documentation.
Overall Statistics
Feature vs Bugs
83%Features
Repository Contributions
10Total
Bugs
1
Commits
10
Features
5
Lines of code
8,978,280
Activity Months6
Your Network
32 peopleWork History
May 2026
2 Commits • 1 Features
May 1, 2026Monthly summary for 2026-05 focusing on documentation improvements for stan-dev/docs. Key accomplishments include improving cross-system readability and reference quality in the Wiener diffusion model documentation, and delivering targeted documentation refinements.
2 Commits • 1 Features
May 1, 2026Monthly summary for 2026-05 focusing on documentation improvements for stan-dev/docs. Key accomplishments include improving cross-system readability and reference quality in the Wiener diffusion model documentation, and delivering targeted documentation refinements.
May 2026
April 2026
1 Commits
Apr 1, 2026April 2026: Delivered a targeted QR() Documentation Accuracy Fix and launched foundational documentation publishing workflows to streamline future updates. Corrected the copy/paste error in qr() docs to reflect actual usage and implemented templates, build scripts, and GitHub Pages deployment to automate publishing.
April 2026
1 Commits
Apr 1, 2026April 2026: Delivered a targeted QR() Documentation Accuracy Fix and launched foundational documentation publishing workflows to streamline future updates. Corrected the copy/paste error in qr() docs to reflect actual usage and implemented templates, build scripts, and GitHub Pages deployment to automate publishing.
October 2025
3 Commits • 1 Features
Oct 1, 2025Month: 2025-10 — stan-dev/docs: Delivered Copulas documentation enhancements including a dedicated Copulas chapter in the user guide with a Gaussian Copula example using exponential marginals, upfront attribution for source material, and a new 'Further reading/viewing' section with external resources. No major bugs fixed this month; minor polish tasks were completed to improve readability and consistency across the Copulas docs.
3 Commits • 1 Features
Oct 1, 2025Month: 2025-10 — stan-dev/docs: Delivered Copulas documentation enhancements including a dedicated Copulas chapter in the user guide with a Gaussian Copula example using exponential marginals, upfront attribution for source material, and a new 'Further reading/viewing' section with external resources. No major bugs fixed this month; minor polish tasks were completed to improve readability and consistency across the Copulas docs.
October 2025
September 2025
1 Commits • 1 Features
Sep 1, 2025September 2025 monthly summary for stan-dev/docs: Focused on refining the triangle distribution in Stan to improve modeling accuracy and clarity. Delivered a refined triangle distribution definition, updated the general formula, clarified parameter behavior, and added a Stan sampling demonstration. These changes enhance model expressiveness, reduce ambiguity for users, and provide reproducible examples.
September 2025
1 Commits • 1 Features
Sep 1, 2025September 2025 monthly summary for stan-dev/docs: Focused on refining the triangle distribution in Stan to improve modeling accuracy and clarity. Delivered a refined triangle distribution definition, updated the general formula, clarified parameter behavior, and added a Stan sampling demonstration. These changes enhance model expressiveness, reduce ambiguity for users, and provide reproducible examples.
January 2025
1 Commits • 1 Features
Jan 1, 2025January 2025: Documentation improvements for HMM-related functions in stan-dev/docs. Added entries for beta_neg_binomial_cdf, beta_neg_binomial_lccdf, beta_neg_binomial_lcdf, and beta_neg_binomial_rng to the HMM docs, updating the unbounded discrete distributions guidance. This enhances user guidance, improves discoverability of beta_neg_binomial functionality, and reduces onboarding time and potential user errors. No major bugs fixed this month. Business value: clearer docs, faster adoption, and reduced support load.
1 Commits • 1 Features
Jan 1, 2025January 2025: Documentation improvements for HMM-related functions in stan-dev/docs. Added entries for beta_neg_binomial_cdf, beta_neg_binomial_lccdf, beta_neg_binomial_lcdf, and beta_neg_binomial_rng to the HMM docs, updating the unbounded discrete distributions guidance. This enhances user guidance, improves discoverability of beta_neg_binomial functionality, and reduces onboarding time and potential user errors. No major bugs fixed this month. Business value: clearer docs, faster adoption, and reduced support load.
January 2025
November 2024
2 Commits • 1 Features
Nov 1, 2024November 2024 -- stan-dev/docs: Focused on enhancing user-facing documentation for the sum-to-zero constraint, clarifying parameterization guidance, and cleaning up formatting for readability. Added a new citation for the isometric log ratio transform and refined discussions of the sum_to_zero_vector type and alternative parameterization strategies. Minor documentation hygiene improvements to types.qmd and whitespace cleanup across the docs.
November 2024
2 Commits • 1 Features
Nov 1, 2024November 2024 -- stan-dev/docs: Focused on enhancing user-facing documentation for the sum-to-zero constraint, clarifying parameterization guidance, and cleaning up formatting for readability. Added a new citation for the isometric log ratio transform and refined discussions of the sum_to_zero_vector type and alternative parameterization strategies. Minor documentation hygiene improvements to types.qmd and whitespace cleanup across the docs.
Activity
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Quality Metrics
Correctness100.0%
Maintainability98.0%
Architecture98.0%
Performance96.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
BashBibTeXMarkdownPythonQMDQMLStanYAML
Technical Skills
Bayesian analysisCI/CDDocumentationGitHub ActionsMarkdown formattingPython scriptingStan ModelingStan ProgrammingStatistical ModelingTechnical Writingdata analysisdocumentationstatistical modeling
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