Carefully read the description of the package... it uses a particular variety of splines. You should go read the paper they reference.
On May 12, 2020 4:37:32 PM PDT, Yousri Fanous <yousri.fan...@gmail.com> wrote: >Hello > >I created a MARS model from earth package.for one predictor EngDispl vs >FE. >These are the resulting coefficients: > > summary(marsFit)$coefficients > y >(Intercept) 18.049001 >h(EngDispl-4.3) -4.378082 >h(4.3-EngDispl) 10.925240 >h(EngDispl-2.3) 5.942387 >h(EngDispl-3.5) -2.552332 > >I am at a loss at writing the equation linking the dependent and >independent variables for such an output. >What is h? Is it a function / operator? > >Thank you for your help > >Yousri fanous >IBM Canada >Software developer > >______________________________________________ >R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >https://stat.ethz.ch/mailman/listinfo/r-help >PLEASE do read the posting guide >http://www.R-project.org/posting-guide.html >and provide commented, minimal, self-contained, reproducible code. -- Sent from my phone. Please excuse my brevity. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
