What Is Causal Inference?

Clustered Standard Errors in AB Tests

Using Causal Graphs to answer causal questions

How to Use Backdoor Criterion to Select Control Variables

Understanding Group Sequential Testing

Why Understanding the Data-Generation Process Is More Important Than the Data Itself

Understanding Instrumental Variables

Data Tells Us “What” and We Always Seek for “Why”

Double Machine Learning Simplified: Part 2 — Extensions & the CATE

Beyond Churn Prediction and Churn Uplift