
Co-Founder/CTO @PulseShift | Co-Founder/Board Member @Hackerstolz | Technology, Data & Entrepreneurship
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ALT the famous "survivorship bias" diagram of an idealized PV-1 bomber viewed from the top with red dots around the tail, center fuselage, wing roots behind the engines, and outer edge wing tips. The US military wanted to use data from returning damaged bombers, the red dots signified damage they recorded, to determine what parts of the plane to uparmor. Statistician Abraham Wald realized that they were ONLY able to analyze the planes that RETURNED. Therefore the damage they were recording was ONLY that which could be sustained and allow the crew to safely return. The planes that had sustained fatal damage, the ones that really needed armor, didn't make it back to be recorded by the statisticians





















