Projection Pursuit Regression Pdf. Projection pursuit regression 16 24 15 26 is widely-used for high-dimensional nonparametric regression models which takes the form. Single Chapter PDF Download 4200.
Z i Xs j1 f j j x i i. 1 where sis a hyper-parameter fz ign i1 2R is the univariate response fx igni 1 2Rdare covariates and f ign i1 are iid. PPR on the other hand is rooted on the expansion of fx as a sum of non-linear functions of unidimensional.
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These functions depend on low-dimensional. Before moving onto neural networks let us start with a broader framework Projection Pursuit Regression PPR. Robust locally weighted regression and smoothing scatterplots JASA 74 pp 829-836 WS. Z i Xs j1 f j j x i i.
