Expectation or Expectations may refer to:
Science
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Expectation (epistemic)
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Expected value
In probability theory, the expected value (also called expectation, expectancy, mathematical expectation, mean, average, or first moment) is a generalization of the weighted average. Informally, the expected value is the arithmetic mean of a l ...
, in mathematical probability theory
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Expectation value (quantum mechanics)
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Expectation–maximization algorithm, in statistics
Music
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''Expectation'' (album), a 2013 album by Girl's Day
* ''Expectation'', a 2006 album by
Matt Harding
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''Expectations'' (Keith Jarrett album), 1971
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''Expectations'' (Dance Exponents album), 1985
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''Expectations'' (Hayley Kiyoko album), 2018
**"Expectations/Overture", a song from the album
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''Expectations'' (Bebe Rexha album), 2018
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''Expectations'' (Katie Pruitt album), 2020
**"Expectations", a song from the album
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"Expectation" (waltz), a 1980 waltz composed by Ilya Herold Lavrentievich Kittler
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"Expectation" (song), a 2010 song by Tame Impala
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"Expectations" (song), a 2018 song by Lauren Jauregui
* "Expectations", a song by Three Days Grace from ''
Transit of Venus'', 2012
See also
*''
Great Expectations
''Great Expectations'' is the thirteenth novel by Charles Dickens and his penultimate completed novel. It depicts the education of an orphan nicknamed Pip (Great Expectations), Pip (the book is a ''bildungsroman''; a coming-of-age story). It ...
'', a novel by Charles Dickens
*''
Xpectation
''Xpectation'' (subtitled "New Directions in Music By Prince") is the twenty-sixth studio album by American recording artist Prince. It was released on January 1, 2003, by NPG Records. It is the first instrumental album released under Prince's ...
'', 2003 studio album by Prince
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