Argument validation before model compilation
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- Dominant language
- R
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- Merged PRs (30d)
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Description
When calling function stan, if arguments warmup > iterations, stan aborts because warmup must be < iterations. But it would be nice to know this before the model is compiled to c, so we don't have to wait until compilation is finished to be reminded we've made an elementary mistake. Validation first?
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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 at the R package's stan function, which the issue identifies as the entry point, and inspect when warmup and iterations are checked relative to model compilation. The work is done when invalid values are rejected before C++ compilation begins and the existing validation behavior remains covered by tests.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- r
- Domain
- api
- Issue type
- Feature
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100