Multivariate adaptive regression spline: Difference between revisions

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Revision as of 17:34, 15 September 2021

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== Hinge functions ==

[[File:Friedmans mars hinge functions.png|frame|right|A mirrored pair of hinge functions with a knot at x=3.1]]

{{further|Hinge function}}

Hinge functions are aA key part of MARS models. Aare ''hinge functionfunctions'' takestaking the form

: <math>\max(0,x-c)</math>

or