Regression

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Look up regression in Wiktionary, the free dictionary.

Regression could refer to:

• Regression (psychology), a defensive reaction to some unaccepted impulses
• Regression analysis, a statistical technique for estimating the relationships among variables. Regression analysis comes in different flavors
  • Linear regression
  • Nonlinear regression
  • Stepwise regression
• Regression toward the mean, a common statistical phenomenon
• Curve fitting, like Linear least squares
• Software regression, the appearance of a bug which was absent in a previous revision
• Regression testing, a software testing method which seeks to uncover regression bugs
• Infinite regression, a problem in epistemology
• Marine regression, coastal advance due to falling sea level, the opposite of marine transgression
• Regression (medicine), a characteristic of diseases to express lighter symptoms without disappearing totally
• Age regression
• Past life regression, a process claiming to retrieve memories of previous lives

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