vault / exp / uplift.md
Uplift modeling
Model who changes behaviour because of the message, not who converts anyway. Split the audience: persuade them (target these), sure things (wasted spend), sleeping dogs (leave alone - the message backfires). Gotchas: you never observe the counterfactual, so evaluate with uplift or Qini curves on a held-out randomized group, not accuracy; and a strong outcome model is not an uplift model.
Reference: scikit-uplift docs.