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sreweekly/markdown/143/01-how-etsy-handles-peeking-in-a-b-testing.md

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+# How Etsy Handles Peeking in A/B Testing
+
+- **期号**: SRE Weekly Issue #143（2018-10-14）
+- **作者**: Callie McRee and Kelly Shen — Etsy
+- **链接**: https://codeascraft.com/2018/10/03/how-etsy-handles-peeking-in-a-b-testing/
+
+## 简介
+
+There’s some great statistics theory in here. The challenge is: how can you have accurate, useful A/B tests without having to wait a long time to get a big enough sample size? Can you bail out early if you know the test has already failed? Can you refine the new feature mid-test?
+
+## 正文
+
+> ⚠️ 抓取失败：HTTP 403