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regression    音标拼音: [rəgr'ɛʃən]
n. 回归
n. 复原,逆行,退步

回归复原,逆行,退步

regression
回归

regression
n 1: an abnormal state in which development has stopped
prematurely [synonym: {arrested development}, {fixation},
{infantile fixation}, {regression}]
2: (psychiatry) a defense mechanism in which you flee from
reality by assuming a more infantile state
3: the relation between selected values of x and observed values
of y (from which the most probable value of y can be
predicted for any value of x) [synonym: {regression}, {simple
regression}, {regression toward the mean}, {statistical
regression}]
4: returning to a former state [synonym: {regression}, {regress},
{reversion}, {retrogression}, {retroversion}]

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 turns back upon itself; -- called also a
{cuspidal edge}.

{Regression point} (Geom.), a cusp.
[1913 Webster]

135 Moby Thesaurus words for "regression":
Brownian movement, Freudian fixation, about-face, advance,
angular motion, arrested development, ascending, ascent, atavism,
axial motion, backflowing, backing, backset, backsliding,
backward deviation, backward motion, career, climbing, comedown,
course, current, debasement, decadence, decadency, declension,
declination, decline, deformation, degeneracy, degenerateness,
degeneration, degradation, demotion, depravation, depravedness,
depreciation, derogation, descending, descent, deterioration,
devolution, disenchantment, downtrend, downturn, downward mobility,
downward motion, downward trend, drift, driftage, drop, dying, ebb,
ebbing, effeteness, fading, failing, failure, failure of nerve,
fall, falling back, falling-off, father fixation, fixation, flight,
flip-flop, flow, flux, forward motion, infantile fixation,
involution, lapse, libido fixation, loss of tone, mother fixation,
mounting, oblique motion, ongoing, onrush, parent fixation,
passage, plunging, pregenital fixation, progress, radial motion,
random motion, recidivation, recidivism, reclamation, reconversion,
recrudescence, recurrence, reflowing, refluence, reflux, regress,
rehabilitation, reinstatement, relapse, renewal, restitution,
restoration, retreat to immaturity, retrocession, retrogradation,
retrogression, retroversion, return, returning, reversal, reverse,
reversion, reverting, revulsion, rising, run, rush, set, setback,
sideward motion, sinking, slippage, slipping back, slump, soaring,
sternway, stream, subsiding, throwback, traject, trajet, trend,
turn, turnabout, upward motion, wane


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  • Why are regression problems called regression problems?
    Origin of 'regression' The term "regression" was coined by Francis Galton in the 19th century to describe a biological phenomenon The phenomenon was that the heights of descendants of tall ancestors tend to regress down towards a normal average (a phenomenon also known as regression toward the mean)(Galton, reprinted 1989)
  • regression - Trying to understand the fitted vs residual plot? - Cross . . .
    In this example, variances for the first quarter of the data, up to about a fitted value of 40 are smaller than variances for fitted values larger than 40 The middle portion of the fitted values has substantially larger variances than the outer values This indicates that the regression model may have failed to account for heteroscedasticity
  • regression - How to Interpret Interaction Between Two Categorical . . .
    I am having some difficulty attempting to interpret an interaction between two categorical dummy variables For example, lets say there is an interaction term between an individual's gender and he
  • regression - What is the correct formula to compute R-squared? - Cross . . .
    I'm completely confused about how to calculate R-squared for given lists of predicted and actual values As an example, assume that my predicted values are: [3, 8, 10, 17, 24, 27] and my actual va
  • regression - What does it mean to regress a variable against another . . .
    As an example, the data is X = 1, ,100 The value of Y is plotted on the Y axis The red line is the linear regression surface Personally, I don't find the independent dependent variable language to be that helpful Those words connote causality, but regression can work the other way round too (use Y to predict X)
  • correlation - What is the difference between linear regression on y . . .
    The insight that since Pearson's correlation is the same whether we do a regression of x against y, or y against x is a good one, we should get the same linear regression is a good one It is only slightly incorrect, and we can use it to understand what is actually occurring
  • regression - Interpreting the residuals vs. fitted values plot for . . .
    One of the observable ways it might differ from being equal is if it changes with the mean (estimated by fitted); another way is if it changes with some independent variable (though for simple regression there's presumably only one independent variable available in most cases, so the two will be basically the same thing)
  • regression - How to Perform Cross-Validation for LASSO in GAMLSS to . . .
    I am working with a Generalized Additive Model for Location, Scale, and Shape (GAMLSS) and trying to determine the optimal $\lambda$ values for LASSO-penalized regression using cross-validation However, I am struggling to understand how to properly set up the cross-validation procedure in this context
  • regression - Explain model adjustment, in plain English - Cross Validated
    An alternative way of adjusting controlling for variables that is particularly useful when there are many of them is provided by regression analysis with multiple dependent variables, sometimes known as multivariable regression analysis (There are different types of regression models depending on the type of outcome variable: least squares





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