which regression method requires a homogeneous model is mars regression a nonparametric what assumptions do maries regression have what is the purpose of mars regression what is the difference between mars and ols are mars data homogeneous what is mars regression what is multivariate adaptive regression which is the best method for predicting outliers? how to analyze multivariate regression mars what are the conditions for mars what type of regression is mars and ols is mars regression parametric what is the main assumption of mars regression is mars a statistical method does mars regression have a variable inflation factor are mars variables multivariate is mars a nonparametric regression what assumptions do mars regression have? what is mars regression used for