regression

regression
noun Date: 1597 1. the act or an instance of regressing 2. a trend or shift toward a lower or less perfect state: as a. progressive decline of a manifestation of disease b. (1) gradual loss of differentiation and function by a body part especially as a physiological change accompanying aging (2) gradual loss of memories and acquired skills c. reversion to an earlier mental or behavioral level d. a functional relationship between two or more correlated variables that is often empirically determined from data and is used especially to predict values of one variable when given values of the others <
the regression of y on x is linear
>; specifically a function that yields the mean value of a random variable under the condition that one or more independent variables have specified values 3. retrograde motion

New Collegiate Dictionary. 2001.

Игры ⚽ Поможем написать курсовую
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  • régression — [ regresjɔ̃ ] n. f. • 1374 « retour »; repris XVIIIe, puis XIXe; lat. regressio 1 ♦ (1765) Rhét. Inversion de l ordre des mots. 2 ♦ (1877) Évolution vers le point de départ. ⇒ recul. L histoire est faite de progressions et de régressions.… …   Encyclopédie Universelle

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  • Regression — Re*gres sion (r?*gr?sh ?n), n. [L. regressio: cf. F. r[ e]gression.] The act of passing back or returning; retrogression; retrogradation. Sir T. Browne. [1913 Webster] {Edge of regression} (of a surface) (Geom.), the line along which a surface… …   The Collaborative International Dictionary of English

  • regression — [ri gresh′ən] n. [L regressio] 1. a regressing, or going back; return; movement backward 2. RETROGRESSION 3. Astron. the slow westward shifting of the nodes of an orbit, caused by a perturbation: the complete cycle of the regression of the nodes… …   English World dictionary

  • regression — index decline, lapse (expiration), recidivism, recrudescence, relapse, reversion (act of returning) Burton s Legal Thesaurus …   Law dictionary

  • regression — 1510s, from L. regressionem, noun of action from regredi (see REGRESS (Cf. regress) (n.)) …   Etymology dictionary

  • regression — ► NOUN 1) the action of regressing to a former state. 2) the action or an act of regressing to an earlier stage of life or a supposed previous life …   English terms dictionary

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