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straight-line regression

См. также в других словарях:

  • Regression dilution — is a statistical phenomenon also known as attenuation . Consider fitting a straight line for the relationship of an outcome variable y to a predictor variable x, and estimating the gradient (slope) of the line. Statistical variability,… …   Wikipedia

  • regression — regression, regression analysis A term used originally to describe the fact that if, for example, parents and children s weights are measured, the children s weights tend to be closer to the average than are those of their parents: unusually… …   Dictionary of sociology

  • Regression toward the mean — In statistics, regression toward the mean (also known as regression to the mean) is the phenomenon that if a variable is extreme on its first measurement, it will tend to be closer to the average on a second measurement, and a fact that may… …   Wikipedia

  • Regression analysis — In statistics, regression analysis is a collective name for techniques for the modeling and analysis of numerical data consisting of values of a dependent variable (response variable) and of one or more independent variables (explanatory… …   Wikipedia

  • regression line — noun a smooth curve fitted to the set of paired data in regression analysis; for linear regression the curve is a straight line (Freq. 2) • Syn: ↑regression curve • Topics: ↑statistics • Hypernyms: ↑curve …   Useful english dictionary

  • Regression — A statistical measure that attempts to determine the strength of the relationship between one dependent variable (usually denoted by Y) and a series of other changing variables (known as independent variables). The two basic types of regression… …   Investment dictionary

  • regression curve — noun a smooth curve fitted to the set of paired data in regression analysis; for linear regression the curve is a straight line • Syn: ↑regression line • Topics: ↑statistics • Hypernyms: ↑curve • Part Holonyms: ↑ …   Useful english dictionary

  • regression line — a regression curve that is a straight line, indicating that two variables are in a simple direct or inverse arithmetic relationship. See also regression (def. 5) …   Medical dictionary

  • Line Of Best Fit — A straight line drawn through the center of a group of data points plotted on a scatter plot. Scatter plots depict the results of gathering data on two variables; the line of best fit shows whether these two variables appear to be correlated. A… …   Investment dictionary

  • Local regression — LOESS, or locally weighted scatterplot smoothing, is one of many modern modeling methods that build on classical methods, such as linear and nonlinear least squares regression. Modern regression methods are designed to address situations in which …   Wikipedia

  • Nonlinear Regression — A form of regression analysis in which data is fit to a model expressed as a mathematical function. Simple linear regression relates two variables (X and Y) with a straight line (y = mx + b), while nonlinear regression must generate a line… …   Investment dictionary

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