Power analysis와 MDE — 실험 시작 전에 표본·기간을 정직하게 잡는 법
A/B 시작 전 "표본 얼마나 모아야?"의 답이 power analysis. 검출력 80%로 검출 가능한 최소 효과(MDE)를 미리 계산해 실험 기간·해석 한도를 명확히 잡는 흐름.
Jun 6, 20261 min read0 reactions0 comments
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May 24, 2026Public Opinion Poll Topics Don’t Work Like You Think
12% of online polls lie about their confidence levels. Discover the hidden math that exposes fake results and learn to spot them instantly.
May 24, 20261 min read0 reactions0 comments