support I/O of NaN, +inf, -inf values
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- R
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Description
This is on the border between bug and feature. We should be reading in NaN and +inf and -inf values through all our interfaces. I think the output's OK now, but we can't input NaN or inf now. Or if we can, it's not clear to me or our users how to do it.
The corresponding issue for CmdStan: https://github.com/stan-dev/stan/issues/637
I'm not sure what the status is of PyStan on this.
Contributor guide
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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
Review RStan's existing input interfaces and the linked CmdStan issue to determine which paths reject NaN, +inf, and -inf values. Done means those values can be read through all relevant interfaces, with their supported input forms clearly documented for users.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- r
- Domain
- data
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100