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How an eval set is built, and why it rots

An eval set is an instrument. It has a purpose, a scoring rule, a calibration record and an expiry date. Treating it as a file you download is where the trouble starts: the file already made those decisions without writing them down. What follows is the build document I would want for a set I have…

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  1. 2026-10-09 07:00 · DEV Community — Machine Learning
    How an eval set is built, and why it rots

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