section in User's Guide on moving transformed parameters to local variables
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Description
Respondent "Somebody" on @andrewgelman's blog suggested adding a section to the efficiency chapter of the User's Guide to talk about moving transformed parameters to local variables. Here's the request:
https://statmodeling.stat.columbia.edu/2026/05/04/expanding-the-stan-users-guide/#comment-2414300
This can be a very short section. We also want to emphasize that many things can be recovered later, including any necessary generated quantities.
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by locating the efficiency chapter in the User's Guide and read the linked blog discussion for context. Add a short section explaining when to move transformed parameters to local variables, including that needed values and generated quantities can be recovered later; done means the guidance is present in the appropriate chapter.
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Assessment
- Tech stack
- tex
- Domain
- documentation
- Issue type
- Documentation
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 72/100