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Add volcano plot helper with tests - #1

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wgzeng-maker merged 1 commit into
mainfrom
feature/add-volcano-plot
Jun 30, 2026
Merged

Add volcano plot helper with tests#1
wgzeng-maker merged 1 commit into
mainfrom
feature/add-volcano-plot

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What does this PR do?

Adds a volcano_data / volcano_plot pair to the package so DE results can be visualized.

Type of change

  • New feature / analysis

Checklist

  • make test passes locally (6 passed)
  • make lint is clean
  • New logic has a test
  • No data, secrets, or large files are committed

Notes for the reviewer

The plotting computation (volcano_data) is separated from the drawing (volcano_plot)
so the logic is unit-tested without a hard matplotlib dependency in CI.

Splits computation (volcano_data, pure + tested) from drawing (volcano_plot,
lazy matplotlib import) so the categorization logic is covered by CI without
requiring a plotting backend.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
@wgzeng-maker
wgzeng-maker merged commit bba7729 into main Jun 30, 2026
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@wgzeng-maker
wgzeng-maker deleted the feature/add-volcano-plot branch June 30, 2026 03:07
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