Cohort Analysis

What is Cohort Analysis?

  • A metrics analysis technique
  • Look of metrics of separate groups of users or customers
  • Surgically measure the impact of changes, pivots, and experiments

Role in a startup

  • Just another tool
  • Key to avoiding vanity metrics and devloping actionable metrics
  • Look at the lifetime a customer and identify key stages
  • Make sure the stages can be measured and are associated with a specific user
  • Make sure that they are meaninful to the business and the engine of growth
  • Measure a baseline with current product
  • Changes can now be measured to see if they had desired impact
Step-by-step:
  1. Identify key stages of relatioship with customer, e.g. Register, Activate, Retain, Refer, Pay, Cancel
  2. Measure customers at each stage
  3. Analyze impact on financial model

Simple example (on whiteboard)

  • Micro-Instagram
    • Install app
    • Create an account
    • Activate account
    • Post a photo

More detailed example