cold start (4)
may the --force be with you
A weekly blog about ML, agentic development, Claude Code, nvim, new tech, industry news, controversial takes, and whatever I'm currently struggling with.
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■2026-09-14· 11 min4. A/B testing: when the standard test is the wrong toolThe standard test answers one narrow question. When you're maximizing revenue instead of detecting a difference, or your users aren't independent, or there's only one of you to test on, that question is the wrong one. Bandits, switchback tests, and synthetic controls, with a plain-language version for the non-statisticians in the room.■2026-09-07· 19 min3. A/B testing: the stat-sig problemEveryone thinks they know what statistical significance means. Almost nobody does. A generic ecommerce scenario, the actual math behind peeking, and why this is an org problem wearing a stats costume.■2026-08-24· 9 min1. My dev setupKarabiner remaps that skip the guesswork, zsh + Warp with zero multiplexers, three editors plus Claude Code for the other half of the time, and Spotlight beating Raycast out of the lineup.■2026-08-17· 4 min0. Intro: who I am, what I do.Who I am, what I do.
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