# pandas-pro

> Claude/Codex skill by [@jeffallan](https://omgskills.com/library/jeffallan/index.md) · 12k stars · Updated 2026-10-30

Performs pandas DataFrame operations for data analysis, manipulation, and transformation. Use when working with pandas DataFrames, data cleaning, aggregation, merging, or time series analysis. Invoke for data manipulation tasks such as joining DataFrames on multiple keys, pivoting tables, resampling time series, handling NaN values with interpolation or forward-fill, groupby aggregations, type conversion, or performance optimization of large datasets.

Tags: ai-agents, claude, claude-code, claude-marketplace, claude-skills

## Install

```sh
git clone https://github.com/Jeffallan/claude-skills /tmp/claude-skills && ln -s /tmp/claude-skills/skills/pandas-pro ~/.claude/skills/pandas-pro
```

## From README

Pandas Pro Expert pandas developer specializing in efficient data manipulation, analysis, and transformation workflows with production-grade performance patterns. Core Workflow Assess data structure — Examine dtypes, memory , missing values, data quality: Design transformation — Plan vectorized operations, avoid loops, identify indexing strategy Implement efficiently — Use vectorized methods, method chaining, proper indexing Validate results — Check dtypes, shapes, null counts, and row counts: Optimize — Profile memory, apply categorical types, use chunking if needed Reference Guide Load detailed guidance based on context: | Topic | Reference | Load When | |-------|-----------|-----------| | DataFrame Operations | references/dataframe-operations.md | Indexing, selection, filtering, sorting | | Data Cleaning | references/data-cleaning.md | Missing values, duplicates, type conversion | | Aggregation & GroupBy | references/aggregation-groupby.md | GroupBy, pivot, crosstab, aggregation...

## Links

- HTML page: https://omgskills.com/library/jeffallan/claude-skills/pandas-pro/
- GitHub: https://github.com/Jeffallan/claude-skills
- Author: [@jeffallan](https://omgskills.com/library/jeffallan/index.md)

## More from this repo

- [api-designer](https://omgskills.com/library/jeffallan/claude-skills/api-designer/index.md) — Used when designing REST or GraphQL APIs, creating OpenAPI specifications, or planning API architecture.
   - [@jeffallan](https://omgskills.com/library/jeffallan/index.md) · 12k stars
- [architecture-designer](https://omgskills.com/library/jeffallan/claude-skills/architecture-designer/index.md) — Used when designing new high-level system architecture, reviewing existing designs, or making architectural decisions.
   - [@jeffallan](https://omgskills.com/library/jeffallan/index.md) · 12k stars
- [atlassian-mcp](https://omgskills.com/library/jeffallan/claude-skills/atlassian-mcp/index.md) — Integrates with Atlassian products to manage project tracking and documentation via MCP protocol.
   - [@jeffallan](https://omgskills.com/library/jeffallan/index.md) · 12k stars