**regression curve** — a curve describing the relation between the average value of a dependent variable and the values of one or more independent variables; the regression curve of Y on X is the graph of the average value of Y associated with each value of X … Medical dictionary

**regression line** — noun a smooth curve fitted to the set of paired data in regression analysis; for linear regression the curve is a straight line (Freq. 2) • Syn: ↑regression curve • Topics: ↑statistics • Hypernyms: ↑curve … Useful english dictionary

**regression analysis** — noun the use of regression to make quantitative predictions of one variable from the values of another • Topics: ↑statistics • Hypernyms: ↑multivariate analysis • Part Meronyms: ↑regression, ↑simple regression, ↑ … Useful english dictionary

**regression** — /ri gresh euhn/, n. 1. the act of going back to a previous place or state; return or reversion. 2. retrogradation; retrogression. 3. Biol. reversion to an earlier or less advanced state or form or to a common or general type. 4. Psychoanal. the… … Universalium

**Regression toward the mean** — In statistics, regression toward the mean (also known as regression to the mean) is the phenomenon that if a variable is extreme on its first measurement, it will tend to be closer to the average on a second measurement, and a fact that may… … Wikipedia

**regression equation** — noun the equation representing the relation between selected values of one variable (x) and observed values of the other (y); it permits the prediction of the most probable values of y (Freq. 1) • Syn: ↑regression of y on x • Topics: ↑statistics … Useful english dictionary

**regression line** — a regression curve that is a straight line, indicating that two variables are in a simple direct or inverse arithmetic relationship. See also regression (def. 5) … Medical dictionary

**Regression** — could refer to:* Regression (psychology), a defensive reaction to some unaccepted impulses * Past life regression, (psychology) a process claiming to retrieve memories of previous lives * Software regression, (software engineering) the appearance … Wikipedia

**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 (response variable) and of one or more independent variables (explanatory… … Wikipedia

**Curve fitting** — best fit redirects here. For placing ( fitting ) variable sized objects in storage, see fragmentation (computer). Curve fitting is the process of constructing a curve, or mathematical function, that has the best fit to a series of data points,… … Wikipedia