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Data science & machine learning

Experimentation & causal inference

The design of experiments and the analysis that separates a real effect from a seasonal one.

5–9 weeksTypical duration

The problem this solves

Every change is declared a success, and the numbers that prove it were chosen after the change shipped.

What you receive

Artefacts you can hold, and that you can accept or refuse — never a list of activities.

  • An experiment design standard, covering power, duration and the metric agreed before launch
  • The analysis pipeline, producing the same verdict for everyone who runs it
  • Causal analysis for the changes that cannot be randomised
  • A written review of your three most consequential recent claims