#cohort-analysis

Analyze user retention using cohort analysis. Deliverables: 1. Cohort table showing retention % by signup month. 2. Heatmap visualization with color gradient (green=high, red=low). 3. Retention curves comparing different cohorts. 4. Calculate Day 1, Day 7, Day 30 retention rates. 5. Identify trends and anomalies with statistical annotations. Use Python (pandas, seaborn) or SQL + BI tool. Include actionable insights for product team.