jackknife

IPA: dʒˈæknaɪf

(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.
Alternative spelling of jack-knife [A compact folding knife.]

Alternative spelling of jack-knife [To fold in the middle, as a jackknife does.]

Examples of "jackknife" in Sentences

"jackknife" - Version: 2.4.2, 8/10/2009 08: 58PM PST
"jackknife" into Turner's path, striking her vehicle head-on.
A jackknife, right off the porch, and an Olympic-style swim for the opposite shore.
As I tried a jackknife dive from my tiptoes, a huge wave engulfed me just as I took a breath to submerge.
That caused one of those vehicles to "jackknife" into the lane of traffic that Turner was driving in, striking her vehicle head-on.
Next to them, even the best of the jackknife legs and splayed-out lifts on "Dancing With the Stars" or "So You Think You Can Dance" look like horrifying mutations from Planet Schlock.
To rephrase Steve McIntyre if he will forgive me the jackknife is the statistical technique of resampling by running the estimate on subsamples of N-q from a sample of N then averaging the results.