Agent skill
vaex
Vaex out-of-core DataFrames. Use for big data exploration.
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/other/other/vaex-g1joshi-agent-skills
SKILL.md
Vaex
Vaex is a hidden gem. It uses Memory Mapping to open 100GB files instantly on a laptop and visualize them.
When to Use
- Visualization: Plotting 1 billion points via heatmaps.
- Instant Opening: No "loading" time for HDF5/Arrow files.
- String Processing: Very fast string operations.
Core Concepts
Out-of-Core
Data stays on disk. Virtual columns are computed on the fly.
Binning
Aggregating data into a grid for visualization (heatmap) rather than plotting individual points.
Best Practices (2025)
Do:
- Convert to HDF5/Arrow: Vaex shines with these formats.
- Use it for EDA: Rapidly exploring massive datasets locally.
Don't:
- Don't use for complex unrelated logic: It's specialized for columnar aggregation.
References
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