polars
DAAF-Contribution-Community/daaf/.claude/skills/polars/SKILL.md
High-performance data manipulation with lazy/eager execution, expressions, I/O (CSV, Parquet, JSON), aggregations, joins, string/datetime ops, and pandas interop. Covers performance optimization patterns and common anti-patterns. DAAF's default DataFrame library — all pipeline code uses Polars, not pandas. Use for any DataFrame operation, reading/writing Parquet files, or migrating existing pandas code to Polars. R equivalent: tidyverse (use when execution language is R).
Licensed with conditions — read it at the source. Read it on GitHub.
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CLAUDE.md
Skill
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- education-data-source-nhgis.claude/skills/education-data-source-nhgis/SKILL.md
- education-data-source-pseo.claude/skills/education-data-source-pseo/SKILL.md
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- great-tables.claude/skills/great-tables/SKILL.md
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- plotly-r.claude/skills/plotly-r/SKILL.md
- plotly.claude/skills/plotly/SKILL.md
- plotnine.claude/skills/plotnine/SKILL.md
- pyfixest.claude/skills/pyfixest/SKILL.md
- python-r-translation.claude/skills/python-r-translation/SKILL.md
- quarto.claude/skills/quarto/SKILL.md
- r-python-translation.claude/skills/r-python-translation/SKILL.md
- r-stats.claude/skills/r-stats/SKILL.md
- science-communication.claude/skills/science-communication/SKILL.md
- scikit-learn.claude/skills/scikit-learn/SKILL.md
- sf-terra.claude/skills/sf-terra/SKILL.md
- shell-scripting.claude/skills/shell-scripting/SKILL.md
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- stata-python-translation.claude/skills/stata-python-translation/SKILL.md
- stata-r-translation.claude/skills/stata-r-translation/SKILL.md
- statsmodels.claude/skills/statsmodels/SKILL.md
- survey-r.claude/skills/survey-r/SKILL.md
- svy.claude/skills/svy/SKILL.md
- synthetic-data-workflow.claude/skills/synthetic-data-workflow/SKILL.md
- tidymodels.claude/skills/tidymodels/SKILL.md
- tidyverse.claude/skills/tidyverse/SKILL.md
- web-retrieval.claude/skills/web-retrieval/SKILL.md
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