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  2. Cut, copy, and paste - Wikipedia

    en.wikipedia.org/wiki/Cut,_copy,_and_paste

    The functions were mapped to key combinations using the ⌘ Command key as a special modifier, which is held down while also pressing X for cut, C for copy, or V for paste. These few keyboard shortcuts allow the user to perform all the basic editing operations, and the keys are clustered at the left end of the bottom row of the standard QWERTY ...

  3. LibreOffice - Wikipedia

    en.wikipedia.org/wiki/LibreOffice

    Copy and paste spreadsheet data directly in an existing table; UTF-8 and UTF-16 text file can be saved without byte order mark (BOM) Calc. Support Signature Line in the spreadsheet; Data Validation supports custom formulas; Do multivariate regression analysis via regression tool; Add the REGEX function to match or replace text with regular ...

  4. Histogram - Wikipedia

    en.wikipedia.org/wiki/Histogram

    The data shown is a random sample of 10,000 points from a normal distribution with a mean of 0 and a standard deviation of 1. The data used to construct a histogram are generated via a function m i that counts the number of observations that fall into each of the disjoint categories (known as bins).

  5. Relief (feature selection) - Wikipedia

    en.wikipedia.org/wiki/Relief_(feature_selection)

    Relief algorithm: Selection of nearest hit, and nearest miss instance neighbors prior to scoring. Take a data set with n instances of p features, belonging to two known classes. Within the data set, each feature should be scaled to the interval [0 1] (binary data should remain as 0 and 1). The algorithm will be repeated m times.

  6. Typesetting - Wikipedia

    en.wikipedia.org/wiki/Typesetting

    These machines were the mainstay of phototypesetting for much of the 1970s and 1980s. Such machines could be "driven online" by a computer front-end system or took their data from magnetic tape. Type fonts were stored digitally on conventional magnetic disk drives. Computers excel at automatically typesetting and correcting documents. [7]

  7. Choice function - Wikipedia

    en.wikipedia.org/wiki/Choice_function

    Given two sets and , let be a multivalued map from to (equivalently, : is a function from to the power set of ).. A function : is said to be a selection of , if: (() ()).The existence of more regular choice functions, namely continuous or measurable selections is important in the theory of differential inclusions, optimal control, and mathematical economics. [2]

  8. Crossover (evolutionary algorithm) - Wikipedia

    en.wikipedia.org/wiki/Crossover_(evolutionary...

    For example, a thread cannot be cut until the corresponding hole has been drilled in a workpiece. Such problems are also called order-based permutations. In the following, two crossover operators are presented as examples, the partially mapped crossover (PMX) motivated by the TSP and the order crossover (OX1) designed for order-based permutations.

  9. Omitted-variable bias - Wikipedia

    en.wikipedia.org/wiki/Omitted-variable_bias

    The second term after the equal sign is the omitted-variable bias in this case, which is non-zero if the omitted variable z is correlated with any of the included variables in the matrix X (that is, if X′Z does not equal a vector of zeroes).