(n) when the regression line is linear (y = ax + b) the regression coefficient is the constant (a) that represents the rate of change of one variable (y) as a function of changes in the other (x); it is the slope of the regression line
(n) 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, Syn.regression of y on x
n. [ L. regressio: cf. F. régression. ] 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 ]
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