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notebook-workflow

Use this when creating, editing, executing, or reviewing Jupyter notebooks — including cell structure, kernel management, extracting reusable logic to src/, and ensuring notebooks are restartable.

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Skill: Notebook Workflow

Use this skill when creating, editing, executing, or reviewing Jupyter notebooks.

Purpose of Notebooks

  • Notebooks are for exploration and communication.
  • Reusable logic should be extracted to src/analysis_project/.

Rules

  • Keep notebooks restartable from a clean kernel (Kernel → Restart & Run All must work).
  • Avoid hidden state — do not rely on cells being run in a non-linear order.
  • Do not include secrets or customer-level records in notebook outputs.
  • Prefer saving final charts and tables to outputs/.

Naming Convention

NNN_short_description.ipynb

Example: 001_data_exploration.ipynb, 002_feature_analysis.ipynb

Automation

  • Use papermill for parameterized notebook execution when automation is needed.
uv run papermill notebooks/input.ipynb notebooks/output.ipynb -p param_name value

Structure

  1. Header cell (Markdown): Title, author, date, objective.

    # タイトル
    - **作成者**: 名前
    - **作成日**: YYYY-MM-DD
    - **目的**: この分析で明らかにしたいこと
    
  2. Imports: All imports in the first code cell.

  3. Configuration: Parameters, paths, constants.

  4. Analysis: Exploratory or analytical cells.

  5. Summary: Key findings and next steps.

Cleanup Before Commit

  • Clear large outputs that are not essential for review.
  • Ensure no credentials or PII in cell outputs.
  • Verify the notebook runs end-to-end with a fresh kernel.

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