easystats / easystats/performance
LOO-based indices for Stan models
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- Dominant language
- R
- Stars
- 1.2k
- Forks
- 109
- Avg merge
- 6h 34m
- Merged PRs (30d)
- 8
Description
LOO is a common method for evaluating both model fit (LOO-IC analogous to AIC or WAIC) and influential points (pointwise LOO-IC and pareto k LOO-IC evaluation). Methods for both are provided by the loo package. It would be nice to provide wrappers for the loo functions following our API.
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
The issue names the loo package and requests wrappers that follow this repository's API, but it does not identify files or tests. Start by reviewing the existing API patterns and the loo functions for model fit and influential points; done means the requested LOO-IC, pointwise LOO-IC, and Pareto-k evaluations are exposed consistently.
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
- 30/100