# Data Analysis

> Analyze CSV/JSON data with statistics, filtering, and aggregation. Powered by pandas and numpy.

- Skill: `tools-only/data-analysis-2` (Agent Skill, multi-file: 3 files)
- Install (CLI): `npx skillmds add tools-only/data-analysis-2`
- Raw SKILL.md: https://api.skillmd.com/api/skills/tools-only/data-analysis-2/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Data & Analytics
- License: MIT
- Author: tools-only (https://skillmd.com/u/tools-only)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/tools-only/data-analysis-2

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# Data Analysis Skill

Perform statistical analysis on tabular data using pandas and numpy.

## Supported Operations

- **describe**: Summary statistics (mean, std, min, max, etc.)
- **filter**: Filter rows by column conditions
- **aggregate**: Group-by aggregation (sum, mean, count, etc.)
- **correlate**: Correlation matrix between numeric columns

## Usage

```json
{"operation": "describe", "data": [[1,2],[3,4]], "columns": ["a","b"]}
```