Glossary math Term Page
Linear Regression
A best-fit linear predictive model
Core Idea
Linear regression fits the best linear relationship between input features and observed outputs. In linear algebra language, it is a least-squares problem built from a design matrix, parameter vector, and observation vector.
Role In This Blog
In Mathbong, linear regression is used as the practical application that makes least squares, residuals, projections, and normal equations feel concrete.