A practitioner's guide to estimating what an opt-in AI feature actually did, when nobody randomized it.
The post Your AI Adoption Lift Is a Selection Effect appeared first on Towards Data Science.
Why the default 50/50 split is the wrong move when your treatment is more expensive than your control, and how cost-based sampling weights fix it
The post Optimal Traffic Allocation Under Heterogeneous Variant Cost appeared first on Towards Data Science.
The hidden assumptions behind the data we observe.
The post What We Miss About Missing Values appeared first on Towards Data Science.
Why prediction-driven variable selection misses confounders and how Bayesian Adjustment for Confounding attempts to fix it.
The post Why Your Best Predictive Model Gives the Wrong Treatment Effect appeared first on Towards Data Science.
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