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In computer science, an associative array, map, symbol table, or dictionary is an abstract data type that stores a collection of (key, value) pairs, such that each possible key appears at most once in the collection. In mathematical terms, an associative array is a function with finite domain. [1] It supports 'lookup', 'remove', and 'insert ...
Missing not at random (MNAR) (also known as nonignorable nonresponse) is data that is neither MAR nor MCAR (i.e. the value of the variable that's missing is related to the reason it's missing). [5] To extend the previous example, this would occur if men failed to fill in a depression survey because of their level of depression.
In mathematics, smooth functions (also called infinitely differentiable functions) and analytic functions are two very important types of functions. One can easily prove that any analytic function of a real argument is smooth. The converse is not true, as demonstrated with the counterexample below.
The null morpheme is represented as either the figure zero (0) or the empty set symbol ∅. In most languages, it is the affixes that are realized as null morphemes, indicating that the derived form does not differ from the stem. For example, plural form sheep can be analyzed as combination of sheep with added null affix for the plural.
The Acts of Union 1707 declared that the Kingdom of England and Kingdom of Scotland were "United into One Kingdom by the Name of Great Britain". [p] [22] The term "United Kingdom" has occasionally been used as a description for the former Kingdom of Great Britain, although its official name from 1707 to 1800 was simply "Great Britain". [23]
In the quantum-mechanical description, matter at absolute zero is in its ground state, the point of lowest internal energy. The laws of thermodynamics show that absolute zero cannot be reached using only thermodynamic means, because the temperature of the substance being cooled approaches the temperature of the cooling agent asymptotically. [4]
Although it has been said that the apple story is a myth and that he did not arrive at his theory of gravity at any single moment, [227] acquaintances of Newton (such as William Stukeley, whose manuscript account of 1752 has been made available by the Royal Society) do in fact confirm the incident, though not the apocryphal version that the ...
A Prayer for the Absent; Directed by: Hamid Bénani: Written by: Hamid Bénani: Based on: Novel of the same title by Tahar Ben Jelloun: Starring: Hamid Basket, Saâdia Azagoun, Abdelkebir Rguegda, Khadija Farahi: Cinematography: Tonino Maccopi, Girolamo Larosa: Edited by: Françoise Collin: Music by: Olivier Debard