Piecewise linear regression

Piecewise Linear Regression
When data is not distributed around a straight line, but rather around a slightly convex curve, Simple Linear Regression may be replaced by several SLR models, ...

Piecewise linear regression. It is not uncommon that the nature of the relationship between one or more independent variables and a dependent variable changes over the range of the independent variables.

A piecewise linear regression is a special case where x selects a unique expert. The distribution over experts can be hierarchical, as in a hierarchical mixture model, giving a Hierarchical Mixture of Experts.

See also: Regression, Estimation, Distribution, Residual, Variance