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In statistics, the jackknife is a resampling technique especially useful for variance and bias estimation. The jackknife predates other common resampling. Jackknife may refer to: Pocket knife or jackknife, a compact, foldable knife; Jackknifing, a type of crash with articulated vehicle combinations. Jackknifing refers to the folding of an articulated vehicle so that it resembles the acute angle of a folding pocket knife. If a vehicle towing a trailer skids, the trailer.
A jackknife is also responsible for causing many highway accidents, because when a truck jackknifes, it takes up all the lanes on the highways, and leaves no. 26 Apr Jackknife definition is - a large strong pocketknife. How to use jackknife in a sentence. Jackknife definition, a large pocketknife. See more.
Jack-knife definition, a large pocketknife. See more. jack-knife (plural jack-knives) He kept a jack-knife in his pocket for various tasks. truck accident in which the vehicle mimics the closing of a jack-knife. As you exhale, bend at the waist while simultaneously raising your legs and arms to meet in a jackknife position. Tip: The legs should be extended and lifted at. jackknife definition: 1. If a truck that has two parts jackknifes, one part moves around so far towards the other part that it cannot be driven: 2. a large knife with a . Jackknife definition: a knife with the blade pivoted to fold into a recess in the handle | Meaning, pronunciation, translations and examples.
4 Jan You can use these instructions to learn to do the jack knife, which is one of the classic Pilates exercises. It is intermediate level. Define jackknife. jackknife synonyms, jackknife pronunciation, jackknife translation, English dictionary definition of jackknife. n. 1. A large clasp knife. 2. Sports A. also jackknife, "pocket knife larger than a pen-knife," , probably American English, apparently from some sense of jack (n.). Perhaps it originally was. The jackknife is shown to be a linear approximation method for the bootstrap. The exposition proceeds by a series of examples: variance of the sample median.
One of the many dangerous situations a truck accident can cause is a jackknife. Come see what this term means and how it could affect your family's safety. This MATLAB function draws jackknife data samples from the n-by-p data array X, computes statistics on each sample using the function jackfun, and returns the. A knife with a blade that folds closed is called a jackknife. Most jackknives are compact enough to fit in a pocket, but we don't suggest your taking one to school. As your aching midriff will no doubt testify, the jackknife is a real test for the abs. Your lower back also benefits from the manoeuvre, and you should find yourself.