Generate realistic dummy datasets for testing with customizable columns, constraints, and output formats (CSV, JSON, SQL, Python script). Use when creating test data, building mock datasets, or generating sample data for development and demos.
cohort-analysis
cohort-analysis is an open-source data skill for Claude Code and compatible agents, published by phuryn. Its author describes it as: “Perform cohort analysis on user engagement data — retention curves, feature adoption trends, and segment-level insights. Use when analyzing user retention by cohort, studying feature adoption over time, investigating…”. The project has 25k stars on GitHub and is available under the MIT license. Add it to your setup with `/plugin marketplace add phuryn/pm-skills`.
What cohort-analysis does
Analyze user engagement and retention patterns by cohort to identify trends in user behavior, feature adoption, and long-term engagement. Combine quantitative insights with qualitative research recommendations.
Installation
Add cohort-analysis to your agent with:
/plugin marketplace add phuryn/pm-skillsAlways review a skill's source before installing it. This command comes from the skill's public repository; the linked repo is the source of truth for exact setup steps.
What's inside
The SKILL.md for cohort-analysis is organised into these sections:
- Purpose
- How It Works
- Step 1: Read and Validate Your Data
- Step 2: Generate Quantitative Analysis
- Step 3: Create Visualizations
- Step 4: Identify Insights & Patterns
- Step 5: Suggest Follow-Up Research
- Usage Examples
- Key Capabilities
- Tips for Best Results
- Output Format
- Further Reading
When to use it
Reach for cohort-analysis when you want data help from your agent without writing the same instructions every session. Load the skill and the agent picks it up automatically for relevant tasks.
Strengths
- Clear MIT license — safe to read and adapt
- Ships in phuryn/pm-skills, an established project with 25,392 GitHub stars
- Actively maintained (recent commits)
Topics
Frequently asked questions
- What does cohort-analysis do?
- Perform cohort analysis on user engagement data — retention curves, feature adoption trends, and segment-level insights. Use when analyzing user retention by cohort, studying feature adoption over time, investigating churn patterns, or identifying engagement trends.
- How do I install cohort-analysis?
- Run /plugin marketplace add phuryn/pm-skills in your agent, then reload your skills. Review the source at https://github.com/phuryn/pm-skills before installing.
- Is cohort-analysis free to use?
- Yes. cohort-analysis is free and open source under the MIT license, so you can read, run, and adapt it within that license's terms.
- Where does cohort-analysis come from?
- cohort-analysis ships inside phuryn/pm-skills, a repository that contains 41 catalogued skills in total. The repository's 25,392 GitHub stars apply to that whole collection, not to this skill on its own.
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