Glossary
Every technical term this platform uses, with what it means and — the part that is harder to find elsewhere — the mistake it prevents. On this subject the intuitive reading is often the wrong one, so each entry says what a reader would otherwise get wrong.
Measurement
- Standard error
How much an estimate would wobble if you repeated the whole experiment.
Easy to get wrong: A number without one is not a measurement. Two results whose error bars overlap have not been shown to differ.
Seen in use on /leaderboard