Indexxero/survivorship-demo

A synthetic customer book measured two ways: 91.6% or 80.8% three-year retention depending on when the fields are read

2 best points · 0 comments · 1 Hacker News post · 1 GitHub stars · View on GitHub

Hacker News discussions

• Show HN: Survivorship bias in retention metrics, reproducible in 12 seconds (2 points, 0 comments, by shossain94, 2026-08-12)