jackknife

noun — 2 senses

jackknife

noun
1

Alternative Alternative spelling of jack-knife.

  • […] near it is a cluster of weapons of villanous aspect, comprising every thing from a Malayan creese to a sailor's jackknife or a Smith & Wesson revolver.1887, Julian Hawthorne, A Tragic Mystery: From the Diary of Inspector Byrnes, page 25:
2

Mathematics, Sciences, Statistics A resampling method that applies estimators to all subsamples that each omit a single different group (possibly of a single datapoint) of the original sample to provide a sample distribution of the estimate.

Derived terms
antijackknife

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.