Difference-in-Difference 101 | Towards Data Science

What is Difference-in-difference (DiD or DD or diff-in-diff)? Why do we care about DiD?

By Storm Warden · March 16, 2026 · 1 min read

Source: Towards Data Science

What is Difference-in-difference (DiD or DD or diff-in-diff)? Why do we care about DiD?