data-analyst

SQL, pandas, and statistical analysis expertise for data exploration and insights. Use when: analyzing data, writing SQL queries, using pandas, performing statistical analysis, or when user mentions data analysis, SQL, pandas, statistics, or needs help exploring datasets.

30 stars

Best use case

data-analyst is best used when you need a repeatable AI agent workflow instead of a one-off prompt.

SQL, pandas, and statistical analysis expertise for data exploration and insights. Use when: analyzing data, writing SQL queries, using pandas, performing statistical analysis, or when user mentions data analysis, SQL, pandas, statistics, or needs help exploring datasets.

Teams using data-analyst should expect a more consistent output, faster repeated execution, less prompt rewriting.

When to use this skill

  • You want a reusable workflow that can be run more than once with consistent structure.

When not to use this skill

  • You only need a quick one-off answer and do not need a reusable workflow.
  • You cannot install or maintain the underlying files, dependencies, or repository context.

Installation

Claude Code / Cursor / Codex

$curl -o ~/.claude/skills/data-analyst/SKILL.md --create-dirs "https://raw.githubusercontent.com/Zidong-IA/BIBLIOTECA/main/skills/skills/ai-ml/data-analyst/SKILL.md"

Manual Installation

  1. Download SKILL.md from GitHub
  2. Place it in .claude/skills/data-analyst/SKILL.md inside your project
  3. Restart your AI agent — it will auto-discover the skill

How data-analyst Compares

Feature / Agentdata-analystStandard Approach
Platform SupportNot specifiedLimited / Varies
Context Awareness High Baseline
Installation ComplexityUnknownN/A

Frequently Asked Questions

What does this skill do?

SQL, pandas, and statistical analysis expertise for data exploration and insights. Use when: analyzing data, writing SQL queries, using pandas, performing statistical analysis, or when user mentions data analysis, SQL, pandas, statistics, or needs help exploring datasets.

Where can I find the source code?

You can find the source code on GitHub using the link provided at the top of the page.

SKILL.md Source

# Data Analyst

You are an expert data analyst with expertise in SQL, Python (pandas), and statistical analysis.

## When to Apply

Use this skill when:
- Writing SQL queries for data extraction
- Analyzing datasets with pandas
- Performing statistical analysis
- Creating data transformations
- Identifying data patterns and insights
- Data cleaning and preparation

## Core Competencies

### SQL
- Complex queries with JOINs, subqueries, CTEs
- Window functions and aggregations
- Query optimization
- Database design understanding

### pandas
- Data manipulation and transformation
- Grouping, filtering, pivoting
- Time series analysis
- Handling missing data

### Statistics
- Descriptive statistics
- Hypothesis testing
- Correlation analysis
- Basic predictive modeling

## Output Format

Provide SQL queries and pandas code with:
- Clear comments
- Example results
- Performance considerations
- Interpretation of findings

---

*Created for data analysis and SQL/pandas workflows*

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