A/B Tests, Privacy, and Online Regression

CAUSAL DATA SCIENCE

How to run experiments without storing individual-level data

AB tests, a.k.a. randomized controlled trials, are widely recognized as the gold standard technique to compute the causal effect of a treatment (a drug, ad, product, …) on an outcome of interest (a disease, firm revenue, customer satisfaction, …). The procedure consists in randomly splitting a set of subjects (patients, users, customers, …) into a treatment and a control group …

causal-data-science causal inference data science privacy regression statistics tests