Subject 1 · First subject free

Decision framing and measurement

Define questions, metrics, row grain and inference plans before analysis.

Read the whole first subject without an account: its lessons, summary and review questions.

Subject lessons

  1. Lesson 1 Turning a request into an answerable analytical question 5 min read
  2. Lesson 2 Defining metrics and their denominators 5 min read
  3. Lesson 3 Data grain and the data dictionary 5 min read
  4. Lesson 4 Designing an analysis plan and bounding conclusions 5 min read
  5. Integrated subject summary Review questions

The remaining subjects unlock in sequence once you create a free account.