curvilinear regression

English Thesaurus

1. the relation between variables when the regression equation is nonlinear (quadratic or higher order) (noun.cognition)

hypernym	:	regression, regression toward the mean, simple regression, statistical regression,
definition	:	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) (noun.cognition)

domain category	:	statistics,
definition	:	a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters (noun.cognition)