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( ).

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.

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 …

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 …

May 16, 2024 · A jackknife is a knife that has a mechanism that allows the blade to fold inward when not in use. It was invented in 1711 by Jacque de Liege as a way to safely carry a knife …

Apr 25, 2025 · A jackknife crash refers to a situation where the trailer of a truck cab swings out at an acute angle, forming a sharp or even 90-degree angle with the cab , similar to a folding …

Look up jackknife or jack-knife in Wiktionary, the free dictionary. Jackknife, a character on Superjail!