Expectation or Expectations may refer to:
Science
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Expectation (epistemic)
In the case of uncertainty, expectation is what is considered the most likely to happen. An expectation, which is a belief that is centered on the future, may or may not be realistic. A less advantageous result gives rise to the emotion of disappo ...
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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)
In quantum mechanics, the expectation value is the probabilistic expected value of the result (measurement) of an experiment. It can be thought of as an average of all the possible outcomes of a measurement as weighted by their likelihood, and as ...
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Expectation–maximization algorithm
In statistics, an expectation–maximization (EM) algorithm is an iterative method to find (local) maximum likelihood or maximum a posteriori (MAP) estimates of parameters in statistical models, where the model depends on unobserved latent variabl ...
, in statistics
Music
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''Expectation'' (album), a 2013 album by Girl's Day
* ''Expectation'', a 2006 album by
Matt Harding
Matthew Harding (born September 27, 1976) is an American traveler, video game designer, and Internet celebrity who is known as Dancing Matt, for his viral videos that show him dancing in front of landmarks and street scenes in various internatio ...
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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
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A transit of Venus across the Sun takes place when the planet Venus passes directly between the Sun and a superior planet, becoming visible against (and hence obscuring a small portion of) the solar disk. During a trans ...
'', 2012
See also
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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
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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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