Simon Willison’s Weblog

13th September 2009 - Link Blog

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

Qwen 3.8 27B is excellent, but it defaults to wildly overthinking things - 16th August 2026
Now we have a timeline of the OpenAI accidental attack against Hugging Face - 7th August 2026
One-shotting a Raccoon Heist game using Claude Fable 5 - 5th August 2026

This is a link post by Simon Willison, posted on 13th September 2009.

ab-testing 7 ben-tilly 1 buckettesting 3 statistics 4

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