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Modified transform parameter in plot_forest to accept dictionary values #2403

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Merged
merged 5 commits into from
Oct 16, 2025
Merged

Modified transform parameter in plot_forest to accept dictionary values #2403

merged 5 commits into from
Oct 16, 2025

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@lucifer4073
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@lucifer4073 lucifer4073 commented Dec 18, 2024 •
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Closes #2117

Key Features:

  • Callable transform: Applies a single transformation to all variables. 
    az.plot_forest(data, transform=lambda x: x ** 2)
  • Dictionary transform: Allows variable-specific transformations. 
    az.plot_forest(data, transform={"theta": np.exp, "mu": np.log})

Additional Changes:

  • Added test cases to validate the feature.
  • Documentation updated to follow the NumPy style guide.
  • Example script added to demonstrate usage

📚 Documentation preview 📚: https://arviz--2403.org.readthedocs.build/en/2403/

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codecov bot commented Dec 18, 2024 •
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Codecov Report

❌ Patch coverage is 91.66667% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 86.83%. Comparing base (a288d50) to head (c615d9e).
⚠️ Report is 1 commits behind head on main.

Files with missing lines Patch % Lines
arviz/plots/forestplot.py 91.66% 1 Missing ⚠️
Additional details and impacted files 
@@           Coverage Diff           @@
##             main    #2403   +/-   ##
=======================================
  Coverage   86.83%   86.83%           
=======================================
  Files         124      124           
  Lines       13018    13029   +11     
=======================================
+ Hits        11304    11314   +10     
- Misses       1714     1715    +1

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@lucifer4073 lucifer4073 changed the title Fixes #2117: Modified transform parameter in plot_forest to accept dictionary values Modified transform parameter in plot_forest to accept dictionary values Dec 18, 2024
@lucifer4073
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Hi @OriolAbril, it would be great if you could review my PR.

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sorry this fell through the cracks @lucifer4073. I will rebase and merge

@OriolAbril OriolAbril merged commit 2ead9f0 into arviz-devs:main Oct 16, 2025
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@OriolAbril OriolAbril OriolAbril approved these changes

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[Feature Request] Allow transform to support a dictionary

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@lucifer4073 @OriolAbril