Regression

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Regression

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Regression could refer to:

Regression (psychology)
Regression (psychology)

Regression, according to psychoanalyst Sigmund Freud, is a defense mechanism leading to the temporary reversion of the ego to an earlier stage of development rather than handling unacceptable impulses in a more adult way....
, a defensive reaction to some unaccepted impulses
Past life regression
Past life regression

Past life regression is a technique that uses hypnosis to recover what most practitioners believe are Memory of past lives or reincarnation. Past life regression is typically undertaken either in pursuit of a spirituality experience, or in a psychotherapy setting....
, (psychology) a process claiming to retrieve memories of previous lives
Political regression
Reactionary

Reactionary refers to any movement or ideology that opposes change or progress in society, and which seeks a return to a previous state . The term originated in the French Revolution, to denote the Counter-revolutionary who wanted to restore the real or imagined conditions of the Monarchy Ancien R?gime....
, e.g. of reactionaries.
Software regression
Software regression

A software regression is a software bug which makes a feature stop functioning as intended after a certain event . A software performance regression is a situation where the software still functions correctly, but performs slowly or uses more memory when compared to previous versions....
, (software engineering) the appearance of a bug which was absent in a previous revision
Regression testing
Regression testing

Regression testing is any type of software testing which seeks to uncover Software regression. Such regressions occur whenever software functionality that was previously working correctly stops working as intended....
, a software testing which seeks to uncover regression bugs
Regression toward the mean
Regression toward the mean

Regression toward the mean is a principle in statistics that states that if you take a pair of independent measurements from the same distribution, samples far from the mean on the first set will tend to be closer to the mean on the second set, and the farther from the mean on the first measurement, the stronger the effect....
, a common statistical phenomenon
Regression analysis
Regression analysis

In statistics, regression analysis is a collective name for techniques for the modeling and analysis of numerical data consisting of values of a dependent variable and of one or more independent variables ....
, a curve fitting
Curve fitting

Curve fitting is finding a curve which has the best fit to a series of data points and possibly other constraints. This section is an introduction to both interpolation and regression analysis....
technique, most often utilizing least squares
Least squares

The method of least squares or ordinary least squares is used to solve overdetermined systems. Least squares is often applied in statistical contexts, particularly regression analysis....
, used in statistics and econometrics, which can be broken into two categories: linear regression
Linear regression

In statistics, linear regression is used for two things;Linear regression is a form of regression analysis in which the relationship between one or more independent variables and another variable, called the dependent variable, is modeled by a least squares function, called linear regression equation....
and nonlinear regression
Nonlinear regression

In statistics, nonlinear regression is a form of regression analysis in which observational data are modeled by a function which is a nonlinear combination of the model parameters and depends on one or more independent variables....
Infinite regression, a problem in epistemology
Marine regression
Marine regression

Marine regression is a geology process occurring when areas of submerged seafloor are exposed above the sea level. The opposite event, Transgression , occurs when flooding from the sea covers previously exposed land....
(geology), coastal advance due to falling sea level, the opposite of marine transgression
Regression (medicine)
Regression (medicine)

Regression in medicine is a characteristic of diseases to show lighter symptoms without completely disappearing. At a later point, symptoms may return. These symptoms are then called recidivism ....
, a characteristic of diseases to express lighter symptoms without disappearing totally
Age regression
Age regression

Age regression could refer to:* Age regression fetish* Age regression in therapy* Fictional age regression* The process of modifying a photograph of a person to simulate their appearance at a younger age....