models with constant outcomes
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minor bug
question
- Dominant language
- R
- Stars
- 401
- Forks
- 136
- PR merge metrics
- No merged PRs in 30d
Description
Summary:
A rstanarm model will fail if any of the variables (including the outcome) are constant. But I'm not sure what we really want to do in this case.
Description:
Because of check_constant_vars
Reproducible Steps:
RStanARM Version:
2.14.1
R Version:
3.3
Operating System:
Debian
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
Start by reproducing the constant-variable failure described in the linked Stack Overflow example, then inspect the check_constant_vars behavior. The issue does not specify the desired handling for constant outcomes or predictors, so confirm the intended behavior with maintainers before defining what done means.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- r
- Domain
- data
- Issue type
- Bug
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100