posterior_predict() fails with newdata in version 2.21.4 for stan_glmer model objects
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Description
Summary:
posterior_predict() fails with "newdata" argument. The issue is similar to issue #407
Description:
The error being returned is "! pwrssUpdate did not converge in (maxit) iterations"
Reproducible Steps:
If applicable, the steps required to reproduce the issue. If you have a reproducible example, please include it.
RStanARM Version:
The version of the rstanarm package you are running (e.g., from packageVersion("rstanarm"))
R Version:
The version of R you are running (e.g., from getRvegetRversion()rsion()`): 4.3.0
Operating System:
Your operating system: Windows x64
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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 reading issue #407 and reproducing the failure in posterior_predict() when newdata is supplied to a stan_glmer model. Confirm the R and package versions and Windows environment, then determine what is needed for prediction to complete without the pwrssUpdate convergence error.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- r
- Domain
- data
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100