LKJ

[OriolAbril]

File: https://github.com/pymc-devs/pymc-examples/blob/main/examples/case_studies/LKJ.ipynb
Reviewers: @AlexAndorra

Context

Known changes needed

Changes listed in this section should all be done at some point in order to get this
notebook to a "Best Practices" state. However, these are probably not enough!
Make sure to thoroughly review the notebook and search for other updates.

ArviZ related

• Use labeled dims in code cells 12 and 13. Also use .values instead of .data.

Changes for discussion

Changes listed in this section are up for discussion, these are ideas on how to improve
the notebook but may not have a clear implementation, or fix some know issue only partially.

ArviZ related

• Show how to index correlation matrixes with xarray. See coords for pairs of variables. arviz-devs/arviz#1627 and https://arviz-devs.github.io/arviz/user_guide/label_guide.html#custom-labellers for details and examples on this (note that ArviZ docs are for the development version, at the time of writing, labellers are an unreleased feature)

Notes

Exotic dependencies

None

Computing power

All models run in less than a minute

[chiral-carbon]

taking up this issue.

[PrinceAsiedu]

Working on this one

[twiecki]

Looks done.