Simon Willison’s Weblog

Effective A/B Testing. Impressively comprehensive presentation on A/B testing, from theory to practice to statistical analysis of the results.

Posted 13th September 2009 at 11:49 pm

Recent articles

Talking AI and jobs with Natasha Zouves for News Nation - 30th May 2025
Large Language Models can run tools in your terminal with LLM 0.26 - 27th May 2025
Highlights from the Claude 4 system prompt - 25th May 2025

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