Editing Regression

{{Wiktionary|regression|regressions|régression}}
'''Regression''' or '''regressions''' may refer to:
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==Arts and entertainment==
* [[Regression (film)|''Regression'' (film)]], a 2015 horror film by Alejandro Amenábar, starring Ethan Hawke and Emma Watson
* [[Regression (magazine)|''Regression'' (magazine)]], an Australian punk rock fanzine (1982–1984)
* [[Regressions (album)|''Regressions'' (album)]], 2010 album by Cleric

==Computing==
* [[Software regression]], the appearance of a bug in functionality that was working correctly in a previous revision
** [[Regression testing]], a software testing method which seeks to uncover regression bugs

==Hypnosis==
* [[Age regression in therapy]], a process claiming to retrieve memories
* [[Past life regression]], a process claiming to retrieve memories of previous lives

==Science==
* [[Marine regression]], coastal advance due to falling sea level, the opposite of marine transgression
* [[Regression (medicine)]], a characteristic of diseases to express lighter symptoms or less extent (mainly for tumors), without disappearing totally
* [[Regression (psychology)]], a defensive reaction to some unaccepted impulses
* [[Nodal regression]], the movement of the nodes of an object in orbit, in the opposite direction to the motion of the object

==Statistics==
* [[Regression analysis]], a statistical technique for estimating the relationships among variables. There are several types of regression:
** [[Linear regression]]
** [[Simple linear regression]]
** [[Logistic regression]]
** [[Nonlinear regression]]
** [[Nonparametric regression]]
** [[Robust regression]]
** [[Stepwise regression]]
* [[Regression toward the mean]], a common statistical phenomenon

==See also==
* [[Infinite regress]], a problem in epistemology
* [[Regress (disambiguation)]]

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