In statistics, the jackknife (jackknife cross-validation) is a cross-validation technique and, therefore, a form of resampling. It is especially useful for bias and variance estimation.

The meaning of JACKKNIFE is a large strong pocketknife. How to use jackknife in a sentence.

One of the earliest techniques to obtain reliable statistical estimators is the jackknife technique. It requires less computational power than more recent techniques.

Now we just use jackknife estimation to calculate the eight b(i) replications, take their mean to get b( ), and calculate the bias and standard errors using b, b(i), and b( ).

Oct 17, 2025 · The jackknife position, also known as the Kraske position, is a variation of the prone position used in certain types of surgery. It involves positioning an individual on their …

Jul 23, 2025 · Jackknife resampling is a classic statistical technique used to estimate the bias and variance of a statistic, particularly when the sample size is small or the theoretical distribution …

adjective resembling a jackknife, as in its shape, function, or manner of opening and folding.

JACKKNIFE definition: 1. If a truck that has two parts jackknifes, one part moves around so far towards the other part…. Learn more.

Film and television Jacknife, a 1989 American film by David Jones "Jack Knife", an episode of NCIS Jackknife, a character on Superjail!

Jackknife (exercise) A jackknife is an abdominal exercise. This exercise is also known as a "V-Up". Jackknife exercises are designed to strengthen the upper and lower abdominal muscles, …