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.

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( ).

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

What is a Jackknife Estimator? The jackknife (“leave one out”) can be used to reduce bias and estimate standard errors. It is an alternative to the bootstrap method. Like the bootstrap, the Jackknife …

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

Feb 23, 2021 · A jackknife is a clasp knife, one where the blade folds into the handle. Clasp knives have been around since antiquity, but the term jackknife dates to the mid seventeenth century and arose …

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 of an …

JACKKNIFE definition: a large pocketknife. See examples of jackknife used in a sentence.

jackknife noun [C] (JUMP) a dive (= jump into water, with your head and arms going in first) in which the diver, while in the air, bends from the waist to touch the toes without bending the legs, and then …