cohort-analysis

Analyze cohort engagement data to compute retention curves and adoption patterns.

5|2|Updated Mar 27, 2026
One-click install
npx skills add https://github.com/tarunccet/pm-skills --skill cohort-analysis-tarunccet
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: cohort-analysis
Source: https://github.com/tarunccet/pm-skills/tree/main/pm-data-analytics/skills/cohort-analysis
Command: npx skills add https://github.com/tarunccet/pm-skills --skill cohort-analysis-tarunccet

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps product teams turn cohort-level user data into clear retention curves, feature adoption insights, and prioritized research recommendations so you can identify where users drop off and which cohorts outperform others.

Core Features & Use Cases

  • Data validation & summary: Ingest CSV, Excel, or JSON cohort data, validate schema, check cohort identifiers, time windows, and surface data quality issues.
  • Retention and adoption analysis: Compute cohort retention rates, period-over-period changes, feature adoption curves, and flag anomalies or unexpected drop-offs.
  • Visualizations: Produce retention heatmaps, cohort progression line charts, adoption comparison charts, and highlight critical drop-off points.
  • Reproducible scripts & research design: Generate Python (pandas/numpy) analysis scripts on request and recommend targeted qualitative and quantitative follow-ups like interviews, surveys, and A/B tests.
  • Use Case: Compare quarterly cohorts to diagnose early churn in Q4 cohorts relative to Q3 and design experiments or interview plans to validate root causes.

Quick Start

Analyze the attached cohort_engagement.csv to compute retention curves, generate heatmaps, and recommend follow-up research.

Frequently Asked Questions about cohort-analysis

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I analyze cohort retention curves from CSV or Excel data?

Cohort retention analysis requires structured CSV, Excel, or JSON data containing cohort identifiers, time periods, user identifiers, and engagement metrics. The tool validates this schema and computes period-over-period retention rates to identify drop-offs and compare cohorts.

What is the best way to visualize feature adoption patterns across different user cohorts?

Visualizing feature adoption patterns is achieved by generating retention heatmaps and cohort progression line charts from your structured engagement data. This highlights critical drop-off points and tracks adoption curves for cohorts defined by signup date or first action.

Can I use Python and pandas to compute period-over-period retention rates automatically?

Yes, you can compute period-over-period retention rates using Python and pandas. The tool generates reproducible pandas and numpy analysis scripts on request to calculate changes, flag anomalies, and identify unexpected churn within your structured cohort datasets.

Does cohort analysis work with event-triggered user groups and JSON inputs?

Cohort analysis works with event-triggered user groups and JSON inputs by validating the schema and checking cohort identifiers against time windows. It supports cohorts defined by signup date, first action, or specific event triggers for accurate engagement comparisons.

How do I diagnose early churn in quarterly cohorts using a retention heatmap?

Diagnosing early churn in quarterly cohorts involves generating retention heatmaps to visualize period-over-period drop-offs. By comparing cohorts side-by-side, the tool flags anomalies and unexpected progression changes to pinpoint exactly where and when users disengage.

What follow-up research should I do after identifying anomalies in cohort retention data?

After identifying anomalies in cohort retention data, recommended follow-up research includes targeted qualitative and quantitative actions. The tool recommends designing interviews, surveys, and A/B tests to validate the root causes of unexpected churn or feature adoption drop-offs.