easystats / easystats/performance

LOO-based indices for Stan models

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Feature idea :fire:
Dominant language
R
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Forks
109
Avg merge
6h 34m
Merged PRs (30d)
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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

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. 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

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