Noun: regression coefficient ri'gre-shun ,kow-u'fi-shunt
- (statistics) when the regression line is linear (y = axe + 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
"A regression coefficient of 0.5 indicates that y increases by 0.5 units for every 1 unit increase in x"
Derived forms: regression coefficients
Type of: parametric statistic
Part of: linear regression, rectilinear regression
Encyclopedia: Regression coefficient