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  2. Zipper (data structure) - Wikipedia

    en.wikipedia.org/wiki/Zipper_(data_structure)

    The zipper technique is general in the sense that it can be adapted to lists, trees, and other recursively defined data structures. Such modified data structures are usually referred to as "a tree with zipper" or "a list with zipper" to emphasize that the structure is conceptually a tree or list, while the zipper is a detail of the implementation.

  3. Statistical interference - Wikipedia

    en.wikipedia.org/wiki/Statistical_interference

    This derived distribution can be used to determine how often the difference in dimensions will be less than zero (i.e., the shaft cannot fit in the hole), how often the difference will be less than the required sliding gap (the shaft fits, but too tightly), and how often the difference will be greater than the maximum acceptable gap (the shaft ...

  4. Overlap coefficient - Wikipedia

    en.wikipedia.org/wiki/Overlap_coefficient

    The overlap coefficient, [note 1] or Szymkiewicz–Simpson coefficient, [citation needed] [3] [4] [5] is a similarity measure that measures the overlap between two finite sets.It is related to the Jaccard index and is defined as the size of the intersection divided by the size of the smaller of two sets:

  5. Feeler gauge - Wikipedia

    en.wikipedia.org/wiki/Feeler_gauge

    Feeler gauge set (25 pieces, 0.03~1.0 mm measurement range) Measuring the valve clearance of a DOHC engine, between camshaft and tappet (here: 0.004 in ≈ 0.10 mm). A feeler gauge is a tool used to measure gap widths.

  6. List of measuring instruments - Wikipedia

    en.wikipedia.org/wiki/List_of_measuring_instruments

    In the past, a common time measuring instrument was the sundial.Today, the usual measuring instruments for time are clocks and watches.For highly accurate measurement of time an atomic clock is used.

  7. Target-site overlap - Wikipedia

    en.wikipedia.org/wiki/Target-site_overlap

    In a zinc finger protein, certain sequences of amino acid residues are able to recognise and bind to an extended target-site of four or even five nucleotides [1] When this occurs in a ZFP in which the three-nucleotide subsites are contiguous, one zinc finger interferes with the target-site of the zinc finger adjacent to it, a situation known as target-site overlap.

  8. Pre- and post-test probability - Wikipedia

    en.wikipedia.org/wiki/Pre-_and_post-test_probability

    In clinical practice, post-test probabilities are often just estimated or even guessed. This is usually acceptable in the finding of a pathognomonic sign or symptom, in which case it is almost certain that the target condition is present; or in the absence of finding a sine qua non sign or symptom, in which case it is almost certain that the target condition is absent.

  9. Zipper system - Wikipedia

    en.wikipedia.org/wiki/Zipper_system

    The zipper system, also known as "vertical parity" or the "zebra system", [1] [2] is an electoral mechanism intended to enforce gender parity in countries using party ...