pymc-devs / pymc-devs/pymc-examples
Problems in (high impact) GLM Hierarchical notebook
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- Dominant language
- Python
- Stars
- 398
- Forks
- 325
- Avg merge
- 9d 15m
- Merged PRs (30d)
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Description
Notebook title:GLM: Hierarchical Linear Regression
Notebook url: source link, website link
Issue description
There are many, many divergences in the sample of the main, hierarchical model. There also appear to be images missing under "The Models" section. Not sure what these are supposed to be.
Proposed solution
I suspect the sampling could be fixed by re-running and/or setting the random seed for stability. Not sure what the images were (at one time).
Contributor guide
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 with examples/generalized_linear_models/GLM-hierarchical.ipynb and compare it with the rendered website page. Re-run the main hierarchical model to reproduce the divergences, then inspect the “The Models” section to determine which images are missing. Done means the notebook samples without the reported divergences and the expected images appear in the rendered example.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- jupyter-notebook, python
- Domain
- documentation, machine-learning
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100