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Multivariate adaptive regression spline
open-in-new
<p>In <a href="/facts/Statistics/DNPsKGYU">statistics</a>, multivariate adaptive regression splines (MARS) is a form of <a href="/facts/Regression_analysis/n6z5Tf7K">regression analysis</a> introduced by <a href="/facts/Jerome_H._Friedman/brTdEkVe">Jerome H. Friedman</a> in 1991. It is a <a href="/facts/Non-parametric_regression/3MuUSUFV">non-parametric regression</a> technique and can be seen as an extension of <a href="/facts/Linear_model/x1we3e1d">linear models</a> that automatically models nonlinearities and interactions between variables. </p><p>The term "MARS" is trademarked and licensed to Salford Systems. In order to avoid trademark infringements, many open-source implementations of MARS are called "Earth". </p>