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.

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 …

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( ).

Apr 5, 2025 · Learn about Jackknife Resampling, a powerful statistical technique for estimating bias, variance, and standard error. Explore its applications in machine learning, regression …

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

Mar 11, 2005 · Two common resampling methods are the jackknife, which is discussed below, and the bootstrap. The jackknife was invented by Quenouille in 1949 for the more limited …

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 …

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 …

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 …