A regression that is linear in the unknown parameters used in the fit.
The most common form of linear regression is least squares fitting. Least squares fitting of lines and polynomials are both forms of linear regression.
Linear Regression
See also
Least Squares Fitting, Least Squares Fitting--Polynomial, Multiple Regression, Nonlinear Least Squares Fitting, RegressionExplore with Wolfram|Alpha
References
Edwards, A. L. An Introduction to Linear Regression and Correlation. San Francisco, CA: W. H. Freeman, 1976.Edwards, A. L. Multiple Regression and the Analysis of Variance and Covariance. San Francisco, CA: W. H. Freeman, 1979.Referenced on Wolfram|Alpha
Linear RegressionCite this as:
Weisstein, Eric W. "Linear Regression." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/LinearRegression.html