Adaptive Regression for Modeling Nonlinear Relationships

Name: Adaptive Regression for Modeling Nonlinear Relationships
Brand: Springer International Publishing AG
SKU: 9783319339443
Price: 68.38 EUR
Availability: InStock

Autor: George J. Knafl, Kai Ding

Jazyk:

Väzba: Pevná

Vydavateľ: Springer International Publishing AG

Dostupnosť: Skladom u dodávateľa

Odosielame za 10-13 dní

68.38 €

This book presents methods for investigating whether relationships are linear or nonlinear and for f...

Informácie o knihe

Autor

George J. Knafl, Kai Ding

Jazyk

Angličtina

Väzba

Kniha - Pevná

Vydalo

2016

Stránok

372

EAN

9783319339443

ISBN

3319339443

Enbook ID

02975485

Vydavateľ

Springer International Publishing AG

Hmotnosť

535

Rozmery

141 x 222 x 24

Kompletný popis

This book presents methods for investigating whether relationships are linear or nonlinear and for fitting appropriate models when they are nonlinear. Data analysts will learn how to incorporate nonlinearity in one or more predictor variables in regression models for different types of outcome variables. Such nonlinear dependence is often not considered in applied research, yet nonlinear relationships are common and require adaptive regression. A standard linear analysis can produce misleading conclusions, while a nonlinear analysis can provide novel insights into data, not otherwise possible.§§A variety of examples of the benefits of modeling nonlinear relationships are presented throughout the book. Methods are covered using what are called fractional polynomials based on power transformations of primary predictor variables using real-valued powers. The book also covers how to formulate and conduct such adaptive fractional polynomial modeling in the standard, logistic, and Poisson regression contexts with univariate or multivariate outcomes, and the book provides for a comparison of adaptive modeling to generalized additive modeling (GAM) and multiple adaptive regression splines (MARS) for univariate outcomes.§§The authors have created customized SAS macros for use with adaptive regression modeling. These macros and code for conducting the analyses discussed in the book are available through the first author's website and online via the book's Springer website. Detailed descriptions of how to use these macros and their output appear throughout the book, though the methodology can be applied to other programs.§

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Adaptive Regression for Modeling Nonlinear Relationships

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